blackjack

US /ˈblæk.dʒæk/
UK /ˈblæk.dʒæk/
1.

ブラックジャック

a gambling card game in which players try to acquire cards with a face value as close as possible to 21 without going over.

2.

ブラックジャック

a short, leather-covered, typically lead-filled club with a flexible handle, used as a weapon.