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1

pontoon

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noun pon·toon \pän-ˈtün\

Definition of pontoon

  1. 1 :  a flat-bottomed boat (as a lighter); especially :  a flat-bottomed boat or portable float used in building a floating temporary bridge

  2. 2 :  a float especially of a seaplane



Origin of pontoon

French ponton, from Old French, from Latin ponton-, ponto


First Known Use: 1690


2

pontoon

noun pon·toon

Definition of pontoon

British

  1. :  blackjack 5



Origin of pontoon

perhaps alteration of vingt-et-un


First Known Use: circa 1917



PONTOON Defined for Kids

pontoon

play
noun pon·toon \pän-ˈtün\

Definition of pontoon for Students

  1. :  a large hollow container filled with air and used to make something (as a boat, plane, or bridge) float




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