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BNC: 25617 COCA: 23452

pontoon

1 ENTRIES FOUND:
pontoon /pɑnˈtuːn/ noun
plural pontoons
pontoon
/pɑnˈtuːn/
noun
plural pontoons
Learner's definition of PONTOON
[count]
: a large hollow container filled with air that is used to make a structure (such as a boat, airplane, or bridge) float on top of water浮筒;浮箱
BNC: 25617 COCA: 23452

pontoon

1 of 2

noun (1)

pon·​toon pän-ˈtün How to pronounce pontoon (audio)
1
: a flat-bottomed boat (such 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

pontoon

2 of 2

noun (2)

British

Word History

Etymology

Noun (1)

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

Noun (2)

perhaps alteration of vingt-et-un

First Known Use

Noun (1)

1676, in the meaning defined at sense 1

Noun (2)

circa 1917, in the meaning defined above

Time Traveler
The first known use of pontoon was in 1676
BNC: 25617 COCA: 23452

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