One entry found for pontoon.

Main Entry: pon·toon
Pronunciation: pän-tün
Function: noun
Etymology: from French ponton "a floating bridge, punt," from Latin ponton-, ponto (same meaning), from pont-, pons "bridge" --related to ¹PUNT
1 : a flat-bottomed boat
2 : a float used in building a floating bridge
3 : a float of an airplane
[pontoon illustration]

Pronunciation Symbols