From Longman Dictionary of Contemporary Englishtwenty-oneˌtwenty-ˈone noun [uncountable] American EnglishDGC a card game, usually played for money SYN pontoon British English
Examples from the Corpus
twenty-one• Thus, up to age twenty-one, men were charged with the responsibility to prevent conception.• The thought of going from twenty-one to fifty-one is making me nauseous.• She has twenty-one points and eight assists.• In less than three months he shot twenty-one films, most of them using Southern California settings.• Two times ten to the twenty-two, or twenty times ten to the twenty-one.• Soo-Il died in 1934 at the age of eighty-eight, when my father was twenty-one.• Red ends the game with twenty-one points and eleven rebounds, tops in both categories.Origin twenty-one (1700-1800) Translation of French vingt-et-un; from the winning total 