twenty-one Meaning, Definition & Usage

  1. noun the cardinal number that is the sum of twenty and one
    XXI; 21.
  2. noun 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
    vingt-et-un; blackjack.
  3. adjective satellite being one more than twenty
    xxi; 21.

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