BLACKJACK
- A pirate's black ensign
- A short, leather-covered, typically lead-filled club with a flexible handle, used as a weapon
- A tarred-leather container used for alcoholic drinks
- A gambling card game in which players try to acquire cards with a face value as close as possible to 21 without going over
- a kind of cosh [n -S] / to hit with a blackjack [v -ED, -ING, -S]