- a short, leather-covered club, consisting of a heavy head on a flexible handle, used as a weapon.
- black flag(defs 1, 2).
- a small oak, Quercus marilandica, of the eastern U.S., having a nearly black bark and a wood of little value except for fuel.
- a large drinking cup or jug for beer, ale, etc., originally made of leather coated externally with tar.Compare bombard(def 7).
- caramel or burnt sugar for coloring spirits, vinegar, coffee, etc.
- Mineralogy. a dark, iron-rich variety of sphalerite.
- to strike or beat with a blackjack.
- to compel by threat.
Origin of blackjack
[pur-shing or for 2, -zhing]
- John JosephBlackjack, 1860–1948, U.S. general: commander of the American Expeditionary Forces in World War I.
- a 46-ton (42 metric tons) U.S. heavy tank of 1944–52, with a five-man crew and a 90mm gun.
- a two-stage surface-to-surface ballistic missile.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for blackjack
Each den of sin has its selling points, but Puerto Rican casinos make good with $5 minimums at the blackjack tables.One First-Timer’s Adventures in Culebra and Puerto Rico
March 14, 2013
Instead they keep at it, with Paul Ryan and old “Blackjack” Bennett pressing ever onward at the Values Voter Summit on Friday.Mitt Romney’s Last-Ditch Strategy: Inflame the Base
September 16, 2012
Did Lisa, the 40-year-old blackjack dealer in Las Vegas, call her mother in tears?The Anthony Weiner Scandal: C’mon, America, Nobody’s Perfect
June 11, 2011
I was at the blackjack table at the Bellagio when one of my girlfriends told me the Internet was going crazy.Meghan McCain: Let John McCain Go to Las Vegas
March 15, 2011
He talks to Ramin Setoodeh about poker, blackjack, and how he persuaded Celine to return to Vegas.The Man Who Made Celine
March 15, 2011
"On we went then," said Aylward, after a long pull at his blackjack.The White Company
Arthur Conan Doyle
There would be a game of blackjack going on somewhere there about now.The Martian Cabal
Roman Frederick Starzl
The fact that it had been a blackjack that had hit him was important.Out Like a Light
Gordon Randall Garrett
I must have that girl, dad, or this town is a blackjack swamp forevermore.The Four Million
"Blackjack" Donnely had made that clear in his trial in Texas.The Penal Cluster
Ivar Jorgensen (AKA Randall Garrett)
- a truncheon of leather-covered lead with a flexible shaft
- (tr) to hit with or as if with a blackjack
- (tr) to compel (a person) by threats
C19: from black + jack 1 (implement)
- pontoon or any of various similar card games
- the ace of spades
C20: from black + jack 1 (the knave)
- a dark iron-rich variety of the mineral sphalerite
C18: from black + jack 1 (originally a miner's name for this useless ore)
- a small oak tree, Quercus marilandica, of the southeastern US, with blackish bark and fan-shaped leavesAlso called: blackjack oak
C19: from black + jack 1 (from the proper name, popularly used in many plant names)
- a tarred leather tankard or jug
C16: from black + jack ³
- John Joseph, nickname Black Jack. 1860–1948, US general. He was commander in chief of the American Expeditionary Force in Europe (1917–19)
- a US ballistic missile capable of carrying a nuclear or conventional warhead
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
Word Origin and History for blackjack
Online Etymology Dictionary, © 2010 Douglas Harper