blackjack

Definitions

• (card games) A common gambling card game in casinos, where the object is to get as close to 21 without going over.
• (card games) A hand in the game of blackjack consisting of a face card and an ace.
• 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).
• (weapons) 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.
• Any of several species of weed of genus Bidens, such as Bidens pilosa, in the family Compositae.
• A blackjack oak.