Twenty-one
Part of speech: numeral
Definition: The cardinal number occurring after twenty and before twenty-two, represented in Roman numerals as XXI and in Arabic numerals as 21. Ordinal: twenty-first.
Part of speech: noun
Definition: Another name for blackjack.
Blackjack
Part of speech: verb
Definition: To strike with a blackjack or similar weapon.
Part of speech: noun
Definition: The most common gambling card game in casinos.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".a small truncheon, commonly made of a leather senneted tube, the slender handle being slightly flexible and the upper more bulbous end being loaded with lead or other heavy material.a type of weed, Bidens pilosa, in the family Compositae.