jack: Meaning and Definition of
- any of various portable devices for raising or lifting heavy objects short heights, using various mechanical, pneumatic, or hydraulic methods.
- Also calleda playing card bearing the picture of a soldier or servant.
- a connecting device in an electrical circuit designed for the insertion of a plug.
- (cap.)fellow; buddy; man (usually used in addressing a stranger): Hey, Jack, which way to Jersey?
- Also called
- one of a set of small metal objects having six prongs, used in the game of jacks.
- one of any other set of objects, as pebbles, stones, etc., used in the game of jacks.
- jacks,(used with a sing. v.) a children's game in which small metal objects, stones, pebbles, or the like, are tossed, caught, and moved on the ground in a number of prescribed ways, usually while bouncing a rubber ball.
- any of several carangid fishes, esp. of the genus Caranx, as C. hipposof the western Atlantic Ocean.
- money: He won a lot of jack at the races.
- a small flag flown at the jack staff of a ship, bearing a distinctive design usually symbolizing the nationality of the vessel.
- Also calledjack crosstree.either of a pair of crosstrees at the head of a topgallant mast, used to hold royal shrouds away from the mast.
- (cap.) a sailor.
- a lumberjack.
- a jackass.
- a device for turning a spit.
- a small wooden rod in the mechanism of a harpsichord, spinet, or virginal that rises when the key is depressed and causes the attached plectrum to strike the string.
- a small, usually white bowl or ball used as a mark for the bowlers to aim at.
- Also calleda mechanical figure that strikes a clock bell.
- a premigratory young male salmon.
- the male of a kestrel, hobby, or esp. of a merlin.
- everyone without exception: They presented a formidable opposition, every man jack of them.
- to lift or move (something) with or as if with a jack (usually fol. by up): to jack a car up to change a flat tire.
- to increase, raise, or accelerate (prices, wages, speed, etc.) (usually fol. by up).
- to boost the morale of; encourage (usually fol. by up).
- to jacklight.
- to jacklight.
- . to masturbate.
- having a height or length less than that of most of the others in a structure; cripple: jack rafter; jack truss.
- a defensive coat, usually of leather, worn in medieval times by foot soldiers and others.
- a container for liquor, originally of waxed leather coated with tar.
- a male given name, form ofor
- jack (Thesaurus)