Answer: blackjack

AnswerCrossword Clue
BLACKJACK21 in two cards
blackjackA pirate's black ensign
blackjackA tarred-leather container used for alcoholic drinks
blackjackA short, leather-covered, typically lead-filled club with a flexible handle, used as a weapon
blackjacka kind of cosh / to hit with a blackjack
blackjackA gambling card game in which players try to acquire cards with a face value as close as possible to 21 without going over
BLACKJACKIt's a great deal in Vegas
BLACKJACK21 in cards
BLACKJACKGambler's game, perhaps
BLACKJACKGreat deal?
BLACKJACKIts motto could be "Best two kings!"
BLACKJACKTable staple, of sorts
BLACKJACKSomething to play at a casino
BLACKJACKCasino card game
BLACKJACKVegas card game
BLACKJACKJohn J. Pershing
BLACKJACKNickname of Gen. Pershing.
BLACKJACKGeneral Pershing
BLACKJACKPershing sobriquet
BLACKJACKTwenty-one, in Vegas
BLACKJACKCasino game
BLACKJACKTwenty-one
BLACKJACKNickname of Gen. John Pershing
BLACKJACKCasino game, and hint to the theme in last words of answers to starred clues
BLACKJACKGame with hitting and busting