First Known Use: 1690
Dictionary
1pontoon
noun pon·toon \pän-ˈtün\
Definition of PONTOON
1
: a flat-bottomed boat (as a lighter); especially : a flat-bottomed boat or portable float used in building a floating temporary bridge
2
: a float especially of a seaplane
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Origin of PONTOON
French ponton, from Old French, from Latin ponton-, ponto
Rhymes with PONTOON
aswoon, attune, baboon, balloon, bassoon, blue moon, buffoon, Calhoun, Cancún, cardoon, cartoon, cocoon, commune, doubloon, dragoon, festoon, fine-tune, forenoon, full moon, gaboon, gadroon, galloon, Gudrun, half-moon, harpoon, high noon, immune, impugn, jargoon, jejune, Kowloon, Kunlun, lagoon, lampoon, lardoon, Maine coon, maroon, monsoon, Neptune, new moon, oppugn, Pashtun, patroon, platoon, poltroon, premune, puccoon, quadroon, ratoon, repugn, rough-hewn, saloon, Sassoon, shalloon, soupspoon, spittoon, spontoon, teaspoon, tribune, triune, tuchun, tycoon, typhoon, untune, Walloon
2pontoon
noun
Definition of PONTOON
British : blackjack 5
Origin of PONTOON
perhaps alteration of vingt-et-un
First Known Use: circa 1917
PONTOON Defined for Kids
pontoon
noun pon·toon \pän-ˈtün\
Definition of PONTOON for Kids
: a large hollow container filled with air and used to make something (as a boat, plane, or bridge) float
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