blackjack

[blak-jak] /ˈblækˌdʒæk/
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a large drinking cup or jug for beer, ale, etc., originally made of leather coated externally with tar.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)
8.
to strike or beat with a blackjack.
9.
to compel by threat.
Origin
1505-15; black + jack1

Pershing

[pur-shing or for 2, -zhing] /ˈpɜr ʃɪŋ or for 2, -ʒɪŋ/
noun
1.
John Joseph ("Blackjack") 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.
Examples from the web for blackjack
  • This is how counting cards really works, when playing the game of blackjack.
  • Many casinos offer optional side bets at standard blackjack tables.
  • These side bets invariably offer worse odds than wellplayed blackjack.
British Dictionary definitions for blackjack

blackjack1

/ˈblækˌdʒæk/
noun
1.
a truncheon of leather-covered lead with a flexible shaft
verb
2.
(transitive) to hit with or as if with a blackjack
3.
(transitive) to compel (a person) by threats
Word Origin
C19: from black + jack1 (implement)

blackjack2

/ˈblækˌdʒæk/
noun (cards)
1.
pontoon or any of various similar card games
2.
the ace of spades
Word Origin
C20: from black + jack1 (the knave)

blackjack3

/ˈblækˌdʒæk/
noun
1.
a dark iron-rich variety of the mineral sphalerite
Word Origin
C18: from black + jack1 (originally a miner's name for this useless ore)

blackjack4

/ˈblækˌdʒæk/
noun
1.
a small oak tree, Quercus marilandica, of the southeastern US, with blackish bark and fan-shaped leaves Also called blackjack oak
Word Origin
C19: from black + jack1 (from the proper name, popularly used in many plant names)

blackjack5

/ˈblækˌdʒæk/
noun
1.
a tarred leather tankard or jug
Word Origin
C16: from black + jack³

Pershing1

/ˈpɜːʃɪŋ/
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)

Pershing2

noun
1.
a US ballistic missile capable of carrying a nuclear or conventional warhead
Word Origin and History for blackjack
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.