Compared to other boats, 8-11 feet is pretty large. A new pontoon boat will of course be more expensive than an older, whether pontoon or tritoon. There is no question that sales of pontoon boats are. Riding on pontoon tubes formed with high-grade aluminum, Tahoe pontoons vessel range. Pontooned definition: Having a pontoon , or pontoons, attached to it. View the translation, definition, meaning, transcription and examples for «Pontoons», learn synonyms, antonyms, and listen to the pronunciation for «Pontoons»The wakeboard is usually towed behind a fast pontoon boat with motorboats, at a speed of 18-25 mph. Gold Dredges; Paddleboard Nautical, a lighter; a low flat vessel resembling a barge, furnished with cranes, capstans, and other machinery, used in careening ships, chiefly in the Mediterranean. All Free. (n. Their spacious decks make them ideal for socializing, and you can also enjoy activities like waterskiing and fishing. 2,126. Nautical. (Military) a watertight float or vessel used where buoyancy is required in water, as in supporting a bridge, in salvage work, or where a temporary or mobile structure is. 1926. Each person must have one that fits properly. Note: The French spelling ponton often appears in scientific works, but pontoon is more common form. a boat or some other floating structure used as one of the supports for a temporary bridge over a river. Learn the definition of 'pontooned'. Pontoon plane - definition of pontoon plane by The Free DictionaryDefine pontoon bridge. "Tritoon vs Pontoon on Rough Water. What is pontoons in Hindi? Pronunciation, translation, synonyms, examples, rhymes, definitions of pontoons पान्टून in HindiWELCOME TO WILSON PONTOONS, INC. The other factors which would affect the speed are the make and model of the boat and also. Small boats are typically found on inland waterways such as rivers and lakes, or in protected coastal areas. This can be a “ballast tank or bag” containing water or other counterweights to increase boat displacement. A pontoon boat is a flattish boat that relies on floats to remain buoyant. Draft: The total distance a boat penetrates the water, from waterline to keel or appendage bottom. 2. n. In hydraulic engineering: A water-tight structure or frame placed beneath a submerged vessel and then filled with air to assist in refloating the vessel. Though some luxury pontoons can still be very expensive, expect average pontoon prices to be $20,000 to $40,000. : a flat-bottomed boat (such as a lighter) especially : a flat-bottomed boat or portable float used in building a floating temporary bridge. pontoon plane: [noun] an airplane that has large hollow containers filled with air (called pontoons) on the bottom so that it can float on water. Best Mushroom Anchor - Shoreline Marine Mushroom Anchor. Pontoons, on the other hand, can accommodate twin engines, adding to the speed of the boat, but also adding cost and complexity. Pontoons have been built of wood, of hides stretched over wicker frames, of copper or tin sheet metal sheathed over wooden frames, of aluminum, and of steel. Definition: (n. com. A pontoon boat is a flattish boat that relies on pontoons to float. A flatbottom boat used to support a bridge. Define Pontoons. pontoon n. Weight also depends on options and does NOT include motor, controls, batteries, fuel, water, or added gear. Meaning: A float supporting a seaplane. What does pontoons mean? Information and translations of pontoons in the most comprehensive dictionary definitions resource on the web. Clear and comprehensive definition of the intended structure, system or equipment in line with classification requirements. What does PONTOONS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: PONTOONS. For example, a pontoon boat rental is designed for calm waters, whereas a giant yacht is designed for taking on the rough seas, meaning that their hulls vary greatly. Pontooned definition: Having a pontoon , or pontoons, attached to it. WIDTH 8' 6". SV Line. The deck boat will have slightly more resistance with more hull in the water. Watch on. Check out the pronunciation, synonyms and grammar. It ostensibly entailed trapping the victim between two boats, feeding and covering them with milk and honey, and allowing them to fester and be devoured by. pontoon (plural pontoons) A flat-bottomed boat or other floating structure used as a buoyant support for a temporary bridge, dock or landing stage. One such term that may leave many scratchingTo summarize: "Burn boats" means to cut off all options of retreat or return. If you can’t even spare four days to build your pontoon boat like the guys in #4, this might be a better option for you because it teaches you how to build a boat in just a single day. Check out the pronunciation, synonyms and grammar. Pontoons, on the other hand, can accommodate twin engines, adding to the speed of the boat, but also adding cost and complexity. The smallest pontoon boats can measure just 12 feet in length, with their tubes extending some 4 to 6 inches more than the deck itself. pontoon - WordReference English dictionary, questions, discussion and forums. Etymology 2 Noun. Every pontoon is suitable for leisure, work, industrial, fishing, water transportation applications. These units are normally floating types but can be designed to rest on the sea bed, see also Pt 1, Ch 2, 2. The speed depends upon various factors like the board size, weight, and the type of tricks to be performed and the comfort level of the performer. What is pontoons in Bengali? Pronunciation, translation, synonyms, examples, rhymes, definitions of pontoons পান্টূন in Bengalipontoon Definition, pontoon Best Plays of pontoon in Scrabble® and Words With Friends, Length tables of words in pontoon, Word growth of pontoon, Sequences of pontoon1,742. Wingman The Cargo Outrigger. Pontoon boat synonyms, Pontoon boat pronunciation, Pontoon boat translation, English dictionary definition of Pontoon boat. pontoon n. Each and every dealer will have a reason or explanation why. What is pontoons in Malayalam? Pronunciation, translation, synonyms, examples, rhymes, definitions of pontoons പാന്ടൂന in MalayalamA. Here’s why you may consider a tritoon over a pontoon and how the two compare. 2. A floating structure that serves as a dock. The Pontoons may be used for recreational boats, rafts, barges or docks. A full PMP set is 32 center pontoons and four ramp pontoons that fold up and travel on KRAZ-255B trucks. A floating structure that serves as a dock. (n) pontoon. com noun Military. noun. What does pontoon mean? Information and translations of pontoon in the most comprehensive dictionary definitions resource on the web. Military. A lakeside resort might have pontoons and canoes that you can rent for the day. Planing ( / ˈpleɪnɪŋ / PLAY-ning) is the mode of operation for a waterborne craft in which its weight is predominantly supported by hydrodynamic lift, rather than hydrostatic lift ( buoyancy ). Learn more about the L Series Learn more about the S Series SX Line. There are a wide range of Pontoon boats for sale from popular brands like Sun Tracker, Bennington and Barletta with 19,415 new and 3,074 used and an average price of $49,945 with boats ranging from as little as $11,900 and $183,976. Pontooned definition: Having a pontoon , or pontoons, attached to it. Pontoons may support a platform, creating a raft. The wind power plant comprises blades mounted on an annular pontoon. This region is known for its many shallow lakes and rivers, making it prime territory for a jon boat. a boat or some other floating structure used as one of the supports for a temporary bridge over. Spring Creek Manufacturing Hydrodynamic Canoe Stabilizer Float Package. Experts also recommend that you wax your pontoon every season, depending on the quality of the wax—which leads us to. A good example would be the GS Cruise II from the brand Avalon. Flat-bottom boats tend to be less stable than other hull types in rough water. Examples of pontoon boat in a sentence, how to use it. | Meaning, pronunciation, translations and examples The meaning of PONTOON is a flat-bottomed boat (such as a lighter); especially : a flat-bottomed boat or portable float used in building a floating temporary bridge. thru 31 ft. If your pontoon has any of these issues, give us a call! A gangway is a ramp or walkway that connects a pontoon’s floating dock to the shore for access. pontoon pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. The volume of water displaced by an object is also equal to its immersed volume, which, in the. One of the biggest differences between pontoons and tritoons is how they hit your wallet. They generally have a low draft, making them great for getting up into skinny water. Aircraft with amphibious floats have retractable. to form or support a temporary floating bridge. ) A wooden flat-bottomed boat, a metallic cylinder, or a frame covered with canvas, India rubber, etc. Hypernyms ("pontoon" is a kind of. Incredibly durable and rugged, and safe to leave in. A tritoon is a tri hull pontoon vessel. 18'-22' boats with a 8' or 8. Meaning of pontoon. HORSEPOWER 300. pontoon meaning, definition, what is pontoon: one of several metal containers or boats. Advantages of Runabout Boats: Since they’re generally diminutive in size, runabouts tend to be relatively inexpensive to buy and to operate. 18'-22' boats with a 8' or 8. A float of a seaplane. Picture a seaplane’s pods that extend out from the fuselage or under the plane’s underside, these are sponsons. When connected together the pontoons form a multi-hull section that the deck area is built upon. Pontoons synonyms, Pontoons pronunciation, Pontoons translation, English dictionary definition of Pontoons. Pontoon bridge - a temporary bridge built over a series of pontoons. Synonym: pontoon bridge. I used foam board to build the pontoons, using the same technique of foam sheeting just like the one used with the build of the airplane, the difference is that it’d be perfect if we can make it waterproof. Definition: (n. com. thru 14 ft. They sit above the water, are spacious, provide a smooth ride, and have good safety ratings. John N. It features a spacious upscale interior with plush luxury seating to match. [2] The supporting boats or floats can be open or closed. The pontoons provide durable flotation for boats, docks, survey vessels, oil spills, booms, pipeline floats, oceanographic floats, work barges, houseboats, and instrument platforms, as well as many other uses. Definition of a Pontoon Boat. Triple Pontoon Boats . noun (1) pon· toon pän-ˈtün. WikiMatrix. WEIGHT 2800-3300. ) that states that the weight of an object is exactly equal to the weight of the water it displaces when it is placed in water. Docking and Berthing Explained. ) A double-decked passenger or freight vessel, towed by a steamboat. These help distribute the weight equally across the surface of water. [=a bridge that floats on the water and is held up by pontoons] a pontoon plane [=an airplane that. Deck boats, on the other hand, are more expensive and the price range could be in the range of $30K and it could go up to $80K and even more. Standard Series. Examples of pontoon in a sentence, how to use it. Learn the definition of 'pontoon plane'. Using new applied sciences to create every thing from the world’s first Recruiterless RXO to predictive analytics tools that establish your future hiring needs. Definitions. Rogers, AR 72756. A truck crew dumps a pontoon into the water, where it automatically unfolds. seaplane, any of a class of aircraft that can land, float, and take off on water. Traditional pontoons use a pair of. Foam Filled tubes are also common in pontoon boats. The all new 2022 G2 Series Surf Boss 25 by Montara is a one-of-a-kind pontoon that riders of all levels can surf behind with confidence. هل هناك شيء مهم ناقص؟. Definition of pontoon noun in Oxford Advanced American Dictionary. A flying boat takes off from and lands on its belly. While its height can vary, it usually acts as a sort of wall to the back. When a person rub's there face in another person's ass vigorously!The cost to fill your boat’s pontoons with foam can vary from company to company, but boat enthusiasts on a forum for duck hunters and fishing quote a price between $2,000 and $3,000 to outsource the job. The STANDS4 Network. When you get through, not only will you have greater pride of ownership, as your boat will look brand new again, but you will increase the. a small, flat boat or similarly shaped metal structure used esp. The Mulberry B harbour at Gold Beach was used for 10 months after D-Day, and over 2. It is typically a flat, vertical surface that connects the two sides of the boat, providing form and structure to the hull. Pontoon definition, a boat or some other floating structure used as one of the supports for a temporary bridge over a river. The Hampton 2680 DC is the very definition of high performance and luxury in a pontoon boat. noun pon· ton ˈpäntᵊn, -ntən or like pontoon plural -s often attributive : pontoon the landing wharf of rusty pontons John Dos Passos ponton barges a ponton battalion Word History. Aluminum Pontoons. Since different types of boats can carry passengers in greater numbers, this needs to be respected. This type of hull moves easily through the water even at slow speeds and is commonly found on speed boats. Obviously this means making a pontoon tube as light as possible is an advantage. [CGD 85–098, 52 FR 19728,. Now you need to find out how much water you will need to displace to float your palace. Definition: (n. UN-2. Enables you to use your boat lift in shallower water because the bunks lift your boat by the frame instead of the pontoons. pontoon translate: pontão, vinte-e-um, pontão, vinte-e-um. ) A pleasure boat; a vessel or boat of state, elegantly furnished and decorated. By following the suggestions below you will add years to the life of your boat and avoid unwanted spending in repairs. With the popularity of pontoon boats across America, it is no wonder that more and more families are learning the value of these flat-decked watercraft. 2. , forming a portable float, used in building bridges quickly for the passage of troops. Pontoons; Pontoppidan. And if you want to have a go at building one of your own, this blog has the details you need. Built with a fiberglass hull, this vessel works its wonder both in freshwater as well as in a saltwater environment. What does pontoon mean? Information and translations of pontoon in the most comprehensive dictionary definitions resource on the web. Pontoon boats can be commercial, industrial or recreational. They can be triangular shaped or have a swallowtail. The marina gangway has to ensure that it is comfortable to board the boat even when the water level changes. The APFR floats because of the buoyant forces provided by the outer pontoon ring section as well as the deck. The original and widespread use was to support. Definition of Transom. A salvage pontoon according to claim 2 in which said standpipe means comprises an open fluid conduit having an inverted "U" shape, with one end thereof in fluid communication with the exterior of said buoyant chamber means, and with the other end thereof in close proximity with the lower interior surface of watertight compartment. 5' narrow beam in a variety of colors and. • While not formally established in anchorage regulations, state or local governments, or even private parties, define mooring fields for specific types of vessels, projects, or events. Definition of the word Pontoons on the PoetrySoup. marina: [noun] a dock or basin providing secure moorings for pleasure boats and often offering supply, repair, and other facilities. The motor is not included unless an I/O. Super Pontoon. It can also suggest a risky or desperate move with severe consequences. Well, it might be time to take another look. Pontoon means as defined in the Coastal Protection and Management Regulation 2003, pontoon refers to a structure consisting of the following components:• a flotation unit• an access walkway for the flotation unit• a system for mooring the floatation unit and access walkway• an abutment. A pontoon boat is a watercraft that uses 2 or more rows of sealed tubes, called pontoons, for buoyancy. pontoon plane - a seaplane equipped with pontoons for landing or taking off from water floatplane hydroplane, seaplane - an airplane that can land. Some examples of buoyancy are swimmers in a pool, ships cruising in the sea, and. . a boat or some other floating structure used as one of the supports for a temporary bridge over a river. Learn more in the Cambridge English-Portuguese Dictionary. scorpions: modern pontoons provide all the amenities for a family camping weekend A boat’s displacement is equal to its weight at any given time, with any given load. Subsequent to September 30, the Corporation issued 60,000 stock options. NOTE: Max Capacity, HP and Weight depends on tubes/PTX package. These pontoons (also called tubes) contain much reserve buoyancy and allow designers to create large deck plans fitted with a variety of accommodations including expansive lounge areas, stand-up bars, and sun pads. This equipment is subject to a number of controls under federally established construction and performance standards. Find 4 different ways to say PONTOON, along with antonyms, related words, and example sentences at Thesaurus. Either type of seaplane may also have landing gear suitable for land, making the vehicle an amphibious aircraft. One of our Pontoon specialist or a local dealer near you will contact you to help configure the boat that matches your exact needs. Learn more in the Cambridge English-Portuguese Dictionary. A powerboat reserved for the use of an admiral. See more. Super Pontoon. The vessels themselves range in length from 22 to 30 ft. 2. (2) Most of the work will be carried out from the banks because. 18'-22' boats packaged for easy building for fishing and family. Cavitation is an issue that can occur on all boats, but it is more common on boats with lower horsepower engines. Pontoon may refer to: . Pontoon is considered to be normally: 1 non self-propelled; 2 unmanned; 3 carrying only deck cargo; 4 having a block coefficient of 0. Super Pontoon. 7. pontoon plane: 1 n a seaplane equipped with pontoons for landing or taking off from water Synonyms: floatplane Type of: hydroplane , seaplane an airplane that can land on or take off from waterPontoon boats make excellent fishing vessels, with lots of deck space for livewells, fishing rods, and other tackle. The “ballast” of a boat provides stability while lowering gravitational balance and reducing the roll. The columns are normally attached to buoyant lower hulls or pontoons. Deadrise is the angle formed between horizontal and the hull at any given point. Annular Pontoon Floating Roof. Browse the use examples 'pontoon cover' in the great English corpus. Gullwing Series. The term flying boat is less common as of late but is still referenced in official documentation and definitions. “The Schenectady. Nautical, a lighter; a low flat vessel resembling a barge, furnished with cranes, capstans, and other machinery, used in careening ships, chiefly in the Mediterranean. In hydraulic engineering: A water-tight structure or frame placed beneath a submerged vessel and then filled with air to assist in refloating the vessel. Definition: (n. Build & Price. Find 4 different ways to say PONTOON, along with antonyms, related words, and example sentences at Thesaurus. One very popular example is the jolly roger flag: Pennant —a pennant is used on ships for signaling or identification. You can fill your pontoons with foam yourself using a 2-part urethane foam. A tritoon is a tri hull pontoon vessel. pontoon bridge: 1 n a temporary bridge built over a series of pontoons Synonyms: bateau bridge , floating bridge Type of: bridge , span a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc. n. A pontoon boat is a type of boat where the deck is attached on top of a series of large hollow tubes called pontoons, hence the name. GO. b. They are less maneuverable and nimble than a traditional boats, moving at slower speeds, and not built for the open sea. 10. Here’s everything you need to know about jon boats. [count] : a large hollow container filled with air that is used to make a structure (such as a boat, airplane, or bridge) float. 2. Because they obstruct navigation, floating bridges are limited in nonmilitary applications, yet several long-span floating bridges have been built in modern times. Survey, Damage. Pontoon boat design has evolved dramatically over the years from when it was first conceived. Bateau bridge floating bridge. With these two steps, we can be fairly certain that the fuel itself is in good shape. What does pontooned mean? Information and translations of pontooned in the most comprehensive dictionary definitions resource on the web. You can look new details of Pontoon Definition Bridge by click this link : view detailsLearn the definition of 'pontoon crane'. Definition(s) Pontoon. They built a pontoon bridge. (2) Most of the work will be carried out from the banks because. Then again, different kinds of boats approach being that long, even some pontoon boats and walkarounds. Wakeboard boats have a certain type of hull to allow for bigger wakes. Gangway bridges are used to connect pontoons and/ or piers with the land . Most pontoon boats. A fixed platform. Pontoon definition, a boat or some other floating structure used as one of the supports for a temporary bridge over a river. landing -places, accommodation-establishment, restaurants, repair-shops, warehouses, pontoon bridges, floating hangars. See more. ) A wooden flat-bottomed boat, a metallic cylinder, or a frame covered with canvas, India rubber, etc. Ponton - definition of Ponton by The Free Dictionary. com, 8 Aug. Still, you will […]Looking for the definition of PONTOONS? Find out what is the full meaning of PONTOONS on Abbreviations. Pontoons have a 3/4" wall thickness, with 1/5" thick end-caps butt fused on. An often referred to type of seaplane is a "flying boat" which is built around a single hull which serves as the plane’s floating body/fuselage. It has variations and related expressions, such as "burn bridges" and "cross the Rubicon. Proper maintenance of your pontoon boat can prevent much unwanted damage such as corrosion. Pontoon boats make excellent fishing vessels, with lots of deck space for livewells, fishing rods, and other tackle. A flat-bottom garvey has zero deadrise, and a deep-V race boat may have a deadrise angle of 50 degrees at its stem and more than 20 degrees at its transom. Pontoons definition for poetry. Some call them Pontoons or Stabilizers, but whatever. pontoon plane: 1 n a seaplane equipped with pontoons for landing or taking off from water Synonyms: floatplane Type of: hydroplane , seaplane an airplane that can land on or take off from water pontoon - translate into Czech with the English-Czech Dictionary - Cambridge Dictionary One area where the pontoon beats the tritoon is cost. 1 Semi-Submersible Platform. The answer is air. Pontoon Tie Ups are the essence of pontooning and connect us to the boating community right on the lake. thru 42 ft. It is the shape and weight of the pontoon tube that helps keep it afloat. 3) refers to another device suitable to protect an area from short-period waves (e. The water buoyancy supports the boats, limiting the maximum load to the total and point buoyancy of the pontoons or boats. 4 5 Other equipment recommended for your safety and the safety of your passengers is noted in the section on Vessel Safety Checks on page 52 and in the Boater’s Pre-Departure Checklist on page 70 . It covers the structural, geotechnical, environmental, hydraulic and durability aspects of the design, as well as the construction and. pontoon translations: pontón, veintiuna, pontón, veintiuna. Pontoon boats, especially large ones, can be notoriously hard to handle in close quarters and at slow speeds. Forums pour discuter de pontoon, voir ses formes composées, des exemples et poser vos questions. Britannica Dictionary definition of PONTOON. pontoon significado, definición, qué es pontoon: 1. As an Amazon Influencer, I earn from qualifying purchases. a small, flat boat or a metal structure of a similar shape used especially to form or support a…. Pons strokes can lead to brain damage. Pontoon bridge, a bridge formed with pontoons. Definition: (n. Ponton synonyms, Ponton pronunciation, Ponton translation, English dictionary definition of Ponton. This material is the most suitable for modular pontoon. The average price of a pontoon ranges from $20,000 to $40,000, while the average price of a tritoon is about $10,000 more. Airplanes are meant to operate in the sky, but they still need to get around on the ground, hence the invention of the Landing Gear. Semi-submersibles are multi-legged floating structures with a large deck. Any of various floating structures, especially: a. It can also refer to a floating structure like a dock that is buoyed up by pontoons. No further weight information available. The poem employs the form described above with the repetition of the second and fourth lines of each stanza as the first and third lines of the next stanza. Pontoon boats and catamarans have a flat hull that floats on two or more inflatable pontoons. Referring to Fig. Britannica Dictionary definition of PONTOON. A 2 lb foam is a good light density choice to ensure your. This aluminum layer creates a smooth surface for water flow, helping the boat's performance. net dictionary. Any of various floating structures, especially: a. The pontoons provide buoyancy and stability, allowing the boat to float effortlessly on the water. A pontoon is a flat boat that floats with the help of hollow tubes, also called pontoons. The unique innovative design of Waketoon ensures high-performance. n. Or you just may not have the knowledge needed to value it. It sounds simple enough, but the third tube makes a big difference in the performance and ideal use for the boat. Flags representing the make of the boat or port-of-call might be flown. is significantly words list of pontoon . Due to size and simplicity, runabouts are fairly low-maintenance. (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridgeSection 2101(1) defines the type of “associated equipment” that is involved in the use of recreational boats that are subject to Federal regulatory authority. Best Spike Anchor - SandShark New Sport Boat Anchor. Yes, pontoons are essentially like barges or makeshift rafts and rely on float-like mechanics to keep maneuvering through the waters. E. veintiuno nm. Examples: Sailboats, trawlers, fishing boats. 25 examples: However, his first task was skippering the landing pontoon, ferrying stores…What differentiates this unique craft is a new patent-pending pontoon design with an integrated rocker and shaper along with contoured wake plates to enable desirable waterflow. a watertight float or vessel used where buoyancy is required in water, as in supporting a bridge, in salvage work, or where a temporary or mobile. Behind. Learn the definition of 'pontoon building'. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. You’ve likely heard of tritoons and tri-hull pontoon boats. The water buoyancy supports the boats, limiting the maximum load to the total and point buoyancy of the pontoons or boats. pontoon ( pl. ABAFT – Toward the rear (stern) of the boat. Richard Hughes asked: Boat is brand new, can i start with the protection once i get the boat. • Typically known only by area knowledge. Aluminum is now one of the most popular materials for boat pontoons because of its. The standard widths of the metal gangways are: 1. Webster's New World Similar definitions Any of a. There are two main types of hull: displacement and planing. Burnside's plan quickly went awry—he had ordered pontoon bridges to be sent to the front and assembled for his quick crossing of the Rappahannock, but because of administrative bungling, the bridges did not arrive on time. pontoon translate: pontão, vinte-e-um, pontão, vinte-e-um. Pontoon bridges are floating bridges supported by floating pontoons with sufficient buoyancy to support the bridge and dynamic loads. noun Definition of pontoon as in canoe Synonyms & Similar Words Relevance canoe dinghy kayak rowboat raft watercraft skiff catamaran paddleboat surfboat flatboat pirogue. Floating pontoons are fitted with the floating pipe. (Naut. Synonyms for pontoon in Free Thesaurus. If you are looking for a budget boat, then pontoon is a good option. Any of various floating structures, especially: a. Watch on. Pontoon gangways are available with both wooden and metal constructions. pontoon meaning in Marathi मराठी is a translation of pontoon in Marathi मराठी dictionary. Webster's Revised Unabridged Dictionary, published 1913 by G. marine. This is because the shape and weight ensures the pontoon, when it sits in the water, moves more water (in weight) than its own weight. pontoon (plural pontoons) (military) A flat-bottomed boat used as a support for a temporary bridge. Sponsons on boats and ships can be.