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twenty-one

[ twen-tee-wuhn, twuhn- ]
/ ˈtwɛn tiˈwʌn, ˈtwʌn- /
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noun

a cardinal number, 20 plus 1.
a symbol for this number, as 21 or XXI.
a set of this many persons or things.
Also 21. Also called blackjack. a gambling game at cards, in which the object is to obtain from the dealer cards whose values add up to, or close to, 21 but which do not exceed it.

adjective

amounting to 21 in number.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for twenty-one

twenty-one

noun

another name (esp US) for pontoon 2 (def. 1)
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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