See Also: Pontoon(medicine)
pontoon(1)(dictionary)
pontoon(2)(dictionary)
pontoon(dictionary)
Pontoon(casino)
Pontoon - Blackjack(gambling)
pontoon bridge(dictionary)

pontoon(2) (iou)



pontoon noun2. E20.
[Prob. alt. of vingt-un obsolete var. of VINGT-ET-UN.]
A card-game in which players try to acquire cards with a face value totalling and not exceeding twenty-one (also called vingt-et-un). Also = NATURAL noun 6b. E20.
A prison sentence or term of twenty-one months or years. slang. M20.