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pontoon Definition
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pontoon
noun(pon-toon)a flat-bottomed boat (such as a lighter); especially : a flat-bottomed boat or portable float used in building a floating temporary bridge
pontoon
noun(pon-toon)a float especially of a seaplane
pontoon
noun(pon-toon)blackjack
pontoon
noun(pon-toon)a bridge that floats on the water and is held up by large hollow containers filled with air (called pontoons)
pontoon
noun(pon-toon)an airplane that has large hollow containers filled with air (called pontoons) on the bottom so that it can float on water