Oxford Dictionary English

    blackjack

    noun
    noun
    BrE BrE//ˈblækdʒæk//
    ; NAmE NAmE//ˈblækdʒæk//
    Card games
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  1. 1 (British English also pontoon) [uncountable] a card game in which players try to collect cards with a total value of 21 and no more See related entries: Card games
  2. 2 [countable] (especially North American English) a type of club used as a weapon, especially a metal pipe covered with leather
See blackjack in the Oxford Advanced American Dictionary
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