blackjack


noun

  1. a short, leather-covered club, consisting of a heavy head on a flexible handle, used as a weapon.
  2. Cards.
    1. twenty-one(def 4).
    2. Also called natural.(in twenty-one) an ace together with a ten or a face card as the first two cards dealt.
    3. a variety of twenty-one in which any player can become dealer.
  3. black flag(defs 1, 2).
  4. a small oak, Quercus marilandica, of the eastern U.S., having a nearly black bark and a wood of little value except for fuel.
  5. a large drinking cup or jug for beer, ale, etc., originally made of leather coated externally with tar.Compare bombard(def 7).
  6. caramel or burnt sugar for coloring spirits, vinegar, coffee, etc.
  7. Mineralogy. a dark, iron-rich variety of sphalerite.

verb (used with object)

  1. to strike or beat with a blackjack.
  2. to compel by threat.

noun

  1. John JosephBlackjack, 1860–1948, U.S. general: commander of the American Expeditionary Forces in World War I.
  2. Military.
    1. a 46-ton (42 metric tons) U.S. heavy tank of 1944–52, with a five-man crew and a 90mm gun.
    2. a two-stage surface-to-surface ballistic missile.

noun

  1. a truncheon of leather-covered lead with a flexible shaft

verb

  1. (tr) to hit with or as if with a blackjack
  2. (tr) to compel (a person) by threats

noun cards

  1. pontoon or any of various similar card games
  2. the ace of spades

noun

  1. a dark iron-rich variety of the mineral sphalerite

noun

  1. a small oak tree, Quercus marilandica, of the southeastern US, with blackish bark and fan-shaped leavesAlso called: blackjack oak

noun

  1. a tarred leather tankard or jug

noun

  1. John Joseph, nickname Black Jack. 1860–1948, US general. He was commander in chief of the American Expeditionary Force in Europe (1917–19)

noun

  1. a US ballistic missile capable of carrying a nuclear or conventional warhead
n.

used in many senses since 16c., earliest is possibly “tar-coated leather jug for beer” (1590s), from black (adj.) + jack in any of its many slang senses. The weapon so called from 1889; the card game by 1900.

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