twenty-one

Primary Meanings of twenty-one

1.
nadj
the cardinal number that is the sum of twenty and one
being one more than twenty
2.
n
a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21
Full Definitions of twenty-one
1

n the cardinal number that is the sum of twenty and one

Synonyms:
21, XXI
Type of:
large integer
an integer equal to or greater than ten

adj being one more than twenty

Synonyms:
21, xxi
cardinal
being or denoting a numerical quantity but not order
2

n a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21

Synonyms:
blackjack, vingt-et-un
Type of:
card game, cards
a game played with playing cards

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