twenty-one

[twen-tee-wuhn, twuhn-]

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. Cards.,  Also 21. blackjack.

adjective

1. amounting to 21 in number.

twenty-one

noun

1. another name (esp US) for pontoon 2

Related Words

• poker 
• roulette