noun. A leather-covered bludgeon with a short, flexible shaft or strap, used as a hand weapon.

noun. A card game in which the object is to accumulate cards with a higher count than that of the dealer but not exceeding 21.

noun. Sphalerite.

transitive verb. To hit or beat with a blackjack.

transitive verb. To coerce by threats.

noun. A common gambling card game in casinos, where the object is to get as close to 21 without going over.

noun. A hand in the game of blackjack consisting of a face card and an ace.

noun. The flag (i.e., a jack) traditionally flown by pirate ships; popularly thought to be a white skull and crossed bones on a black field (the Jolly Roger). In older literature sometimes spelled "black jack".

noun. a small, flat, blunt, usually leather-covered instrument loaded with heavy material such as lead or ball bearings.

noun. a type of weed, Bidens pilosa, in the family Compositae.

verb. To strike with a blackjack or similar weapon.

verb. exert pressure on someone through threats

noun. a flag usually bearing a white skull and crossbones on a black background; indicates a pirate ship

noun. a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21

noun. a piece of metal covered by leather with a flexible handle; used for hitting people

noun. a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets