Twenty-one - Definition
twenty-one
adj 1: being one more than twenty [syn: twenty-one, 21,
xxi]
n 1: the cardinal number that is the sum of twenty and one [syn:
twenty-one, 21, XXI]
2: a gambling game using cards; the object is to hold cards
having a higher count than those dealt to the banker up to
but not exceeding 21 [syn: blackjack, twenty-one, vingt-
et-un]