blackjack
[ blak-jak ]
/ ˈblækˌdʒæk /
Save This Word!
noun
verb (used with object)
to strike or beat with a blackjack.
to compel by threat.
QUIZZES
QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”
Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?
Words nearby blackjack
Black, Hugo, black humor, black ice, blacking, Black Isle, blackjack, black japan, black kite, black knight, black knot, black land
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for blackjack
British Dictionary definitions for blackjack (1 of 5)
blackjack1
/ (ˈblækˌdʒæk) mainly US and Canadian /
noun
a truncheon of leather-covered lead with a flexible shaft
verb
(tr) to hit with or as if with a blackjack
(tr) to compel (a person) by threats
Word Origin for blackjack
C19: from black + jack 1 (implement)
British Dictionary definitions for blackjack (2 of 5)
blackjack2
/ (ˈblækˌdʒæk) /
noun cards
pontoon or any of various similar card games
the ace of spades
Word Origin for blackjack
C20: from black + jack 1 (the knave)
British Dictionary definitions for blackjack (3 of 5)
blackjack3
/ (ˈblækˌdʒæk) /
noun
a dark iron-rich variety of the mineral sphalerite
Word Origin for blackjack
C18: from black + jack 1 (originally a miner's name for this useless ore)
British Dictionary definitions for blackjack (4 of 5)
blackjack4
/ (ˈblækˌdʒæk) /
noun
a small oak tree, Quercus marilandica, of the southeastern US, with blackish bark and fan-shaped leavesAlso called: blackjack oak
Word Origin for blackjack
C19: from black + jack 1 (from the proper name, popularly used in many plant names)
British Dictionary definitions for blackjack (5 of 5)
blackjack5
/ (ˈblækˌdʒæk) /
noun
a tarred leather tankard or jug
Word Origin for blackjack
C16: from black + jack ³
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012