A hand in the game of blackjack consisting of a face card and an ace.
A blackjack oak.
Ammonium bituminosulfonate.
Any of several species of weed of genus Bidens, such as Bidens pilosa, in the family Compositae.
A variant of switch where each player is initially dealt the same number of cards, usually seven, and when one player plays a black jack the player whose turn comes next has to pick up that many cards, unless they play a red jack (as this normally cancels a black jack).
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).
A common gambling card game in casinos, where the object is to get as close to 21 without going over.
Any of a series of hard, dark soils, often considered low quality, but suitable for growing certain crops such as cotton.
A tool of leather filled with shot (or similar), resembling the weapon, used for shaping sheet metal.
A small, flat, blunt, usually leather-covered weapon loaded with heavy material such as lead or ball bearings, intended to inflict a blow to the head that renders the victim unconscious with diminished risk of lasting cranial trauma.
To strike with a blackjack or similar weapon.
A playing card with nine pips.
A baseball club, team, or lineup (composed of nine players).
The digit or figure 9.
A nine-millimeter semi-automatic pistol.
A statistical unit of proportion (of reliability, purity, etc.).
Describing a group or set with nine elements.
A numerical value equal to 9; the number following eight and preceding ten.