twenty one
/ˌtwɛntiˈwʌn/
number
- The number 21; one more than twenty.
- She turned twenty-one last week and celebrated with a party.
- There are twenty-one students in the class today.
- The recipe calls for twenty-one ounces of flour.
noun
- A card game in which players try to get a hand value as close to 21 as possible without going over; also called blackjack.
- Learning the rules of twenty-one is easy.
- We played twenty-one at the casino last night.
- He won the round of twenty-one with a perfect hand.