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[jak-pot] /ˈdʒækˌpɒt/
the chief prize or the cumulative stakes in a game or contest, as in bingo, a quiz contest, or a slot machine.
Poker. a pot that accumulates until a player opens the betting with a pair of predetermined denomination, usually jacks or better.
an outstanding reward or success.
hit the jackpot, Informal.
  1. to achieve a sensational success; have sudden luck:
    The firm has hit the jackpot with its new line of computers.
  2. to win a jackpot.
1880-85, Americanism; of uncertain origin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for jackpot


any large prize, kitty, or accumulated stake that may be won in gambling, such as a pool in poker that accumulates until the betting is opened with a pair of jacks or higher
hit the jackpot
  1. to win a jackpot
  2. (informal) to achieve great success, esp through luck
Word Origin
C20: probably from jack1 (playing card) + pot1
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
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Word Origin and History for jackpot
"big prize," 1944, from obsolete poker sense (1881) of progressive antes that begin when no player has a pair of jacks or better. Earlier, in criminal slang, it meant "trouble," especially "an arrest" (1902).
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for jackpot



The largest win available in a slot machine

Related Terms

hit the jackpot

[1940s+ Gambling; fr the progressive jack pot in poker, which stipulates that if no player has a pair of jacks or better to open, then on the next hand, after anteing again, someone must have queens or better, and so on; thus the pot could become quite large; the poker use, ''a very large win,'' is found by 1881]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with jackpot
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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