twenty-one
[
twen
-tee-
wuhn
,
twuhn
-]
/ˈtwɛn tiˈwʌn, ˈtwʌn-/
noun
1.
a cardinal number, 20 plus 1.
2.
a symbol for this number, as 21 or XXI.
3.
a set of this many persons or things.
4.
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
5.
amounting to 21 in number.
British Dictionary definitions for
twenty-one
twenty-one
noun
1.
another name (esp US) for
pontoon
2
(sense 1)