Pontoon Definition
pŏn-to͝on
pontoons
noun
A flat-bottomed boat.
Webster's New World
Any of a number of these, or of some other floating objects, as hollow cylinders, used as supports for a temporary bridge (pontoon bridge)
Webster's New World
A floating structure serving as a dock.
American Heritage
Either of two floats, as on the landing gear of some airplanes, for landing on water.
Webster's New World
(card games) A card game in which the object is to obtain cards whose value adds up to, or nearly to, 21 but not exceed it.
Wiktionary
Other Word Forms of Pontoon
Noun
Singular:
pontoon
Plural:
pontoonsOrigin of Pontoon
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French ponton from Old French from Latin pontō pontōn- floating bridge from pōns pont- bridge pent- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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Probably from vingt-un, an obsolete variant of vingt-et-un, from French, literally vingt-et-un (“twenty-one").
From Wiktionary
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From Old French ponton, from Latin ponto (“ferryboat"), from pons (“bridge").
From Wiktionary
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