Definition of "jack" [jack]

  • (noun) Informal A man; a fellow.
  • (noun) One who does odd or heavy jobs; a laborer.
  • (noun) One who works in a specified manual trade. Often used in combination: a lumberjack; a steeplejack.
  • (noun) A sailor; a tar.
  • (noun) Games A playing card showing the figure of a servant or soldier and ranking below a queen. Also called knave.
  • (noun) a man or fellow
  • (noun) a sailor
  • (noun) the male of certain animals, esp of the ass or donkey
  • (noun) a mechanical or hydraulic device for exerting a large force, esp to raise a heavy weight such as a motor vehicle
  • (noun) any of several mechanical devices that replace manpower, such as a contrivance for rotating meat on a spit
  • (noun) one of four playing cards in a pack, one for each suit, bearing the picture of a young prince; knave
  • (noun) a small usually white bowl at which the players aim with their own bowls
  • (noun) a female socket with two or more terminals designed to receive a male plug (jack plug) that either makes or breaks the circuit or circuits
  • (noun) a flag, esp a small flag flown at the bow of a ship indicating the ship's nationality
  • (noun) either of a pair of crosstrees at the head of a topgallant mast used as standoffs for the royal shrouds
  • (noun) a part of the action of a harpsichord, consisting of a fork-shaped device on the end of a pivoted lever on which a plectrum is mounted
  • (noun) any of various tropical and subtropical carangid fishes, esp those of the genus Caranx, such as C. hippos (crevalle jack)
  • (noun) one of the pieces used in the game of jacks
  • (verb) to lift or push (an object) with a jack
  • (verb) to connect (an electronic device) with another by means of a jack and a jack plug
  • (verb) to hunt (fish or game) by seeking them out or dazzling them with a flashlight

Use "jack" in a sentence

  • "The portions of the operator's talking circuit that are located permanently in the switchboard cabinet are in such cases terminated in a jack, called an operator's _cut-in jack_."
  • "Bellinger recommends choosing one topic to focus on -- "the expression 'jack of all trades, master of none' holds true especially in the Web 2.0 world" -- and working on engaging with the top people in that area rather than trying to tackle all the world's problems at once."
  • ""You cannot become an expert if one day you work in maternity, the other day you work in the long-term care, and then you are in emergency room," she said, referencing the phrase "jack of all trades, master of none.""

Words like "jack"