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Adjective: twenty-one  'twen-tee'wún
  1. Being one more than twenty
    - 21, xxi
Noun: twenty-one  'twen-tee'wún
  1. The cardinal number that is the sum of twenty and 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
    - blackjack, vingt-et-un, pontoon [Brit]

Derived forms: twenty-ones

See also: cardinal

Type of: card game, cards, large integer

Encyclopedia: Twenty-one

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