Definition of jack Jack

/ʤæˈk/ - [jak] - jack

We found 86 definitions of jack from 12 different sources.

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What does jack mean?

WordNet

WordNet by Princeton University

Noun

Plural: jacks

jack - any of several fast-swimming predacious fishes of tropical to warm temperate seas
  carangid, carangid fish a percoid fish of the family Carangidae
  carangidae, family carangidae large family of narrow-bodied marine food fishes with widely forked tails; chiefly of warm seas
  caranx hippos, crevalle jack, jack crevalle fish of western Atlantic and Gulf of Mexico
  caranx bartholomaei, yellow jack fish of western Atlantic and Gulf of Mexico
  blue runner, caranx crysos, runner fish of western Atlantic: Cape Cod to Brazil
  elagatis bipinnulata, rainbow runner streamlined cigar-shaped jack; good game fish
  leatherjack, leatherjacket tough-skinned larva of certain crane flies
  alectis ciliaris, thread-fish, threadfish fish having greatly elongated front rays on dorsal and anal fins
  amberfish, amberjack any of several amber to coppery fork-tailed warm-water carangid fishes
  seriola dorsalis, yellowtail game fish of southern California and Mexico having a yellow tail fin
  banded rudderfish, seriola zonata, rudderfish fish having the habit of following ships; found in North American and South American coastal waters
jack - tool for exerting pressure or lifting
  tool an implement used in the practice of a vocation
  bumper jack a jack for lifting a motor vehicle by the bumper
jack - an electrical device consisting of a connector socket designed for the insertion of a plug
  electrical device a device that produces or is powered by electricity
jack - a small ball at which players aim in lawn bowling
  ball a pitch that is not in the strike zone; "he threw nine straight balls before the manager yanked him"
jack - male donkey
  jackass
jack - one of four face cards in a deck bearing a picture of a young prince
  knave
jack - small flag indicating a ship's nationality
jack - game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks
  jackstones
jack - a small worthless amount; "you don't know jack"
  doodly-squat, diddly-squat, diddlysquat, diddly-shit, diddlyshit, diddly, diddley, squat, shit
jack - someone who works with their hands; someone engaged in manual labor
  laborer, manual laborer, labourer
  working man, working person, workingman, workman an employee who performs manual or industrial labor
  agricultural laborer, agricultural labourer a person who tills the soil for a living
  bracero a Mexican laborer who worked in the United States on farms and railroads in order to ease labor shortages during World War II
  cleaner someone whose occupation is cleaning
  day laborer, day labourer a laborer who works by the day; for daily wages
  digger a laborer who digs
  dishwasher a machine for washing dishes
  navvy, peon, drudge, galley slave a laborer who is obliged to do menial work
  gandy dancer a laborer in a railroad maintenance gang
  gravedigger a person who earns a living by digging graves
  hewer a person who hews
  hired hand, hired man, hand a hired laborer on a farm or ranch; "the hired hand fixed the railing"; "a ranch hand"
  hod carrier, hodman a laborer who carries supplies to masons or bricklayers
  itinerant, gipsy, gypsy a laborer who moves from place to place as demanded by employment; "itinerant traders"
  logger, lumberman, faller, feller, lumberjack a person who fells trees
  miner, mineworker laborer who works in a mine
  mule driver, mule skinner, muleteer, skinner a worker who drives mules
  platelayer, tracklayer a workman who lays and repairs railroad tracks
  porter a very dark sweet ale brewed from roasted unmalted barley
  rail-splitter, splitter a laborer who splits logs to build split-rail fences
  sawyer any of several beetles whose larvae bore holes in dead or dying trees especially conifers
  section hand a laborer assigned to a section gang
  sprayer a worker who applies spray to a surface
  stacker a laborer who builds up a stack or pile
  steeplejack someone who builds or maintains very tall structures
  dock-walloper, dock worker, docker, dockhand, dockworker, longshoreman, stevedore, loader, lumper a laborer who loads and unloads vessels in a port
  stoker, fireman a mechanical device for stoking a furnace
  woodcutter cuts down trees and chops wood as a job
  wrecker someone who demolishes or dismantles buildings as a job
jack - a man who serves as a sailor
  mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer, gob, sea dog
  crewman, sailor a member of a work crew
  able-bodied seaman, able seaman a seaman in the merchant marine; trained in special skills
  bo's'n, bo'sun, boatswain, bos'n, bosun a petty officer on a merchant ship who controls the work of other seamen
  deckhand, roustabout a member of a ship's crew who performs manual labor
  helmsman, steersman, steerer the person who steers a ship
  bargee, bargeman, lighterman someone who operates a barge
  ship's officer, officer a person authorized to serve in a position of authority on a vessel; "he is the officer in charge of the ship's engines"
  pilot someone who is licensed to operate an aircraft in flight
  sea lawyer an argumentative and contentious seaman
jack - immense East Indian fruit resembling breadfruit; it contains an edible pulp and nutritious seeds that are commonly roasted
  jackfruit, jak
  edible fruit edible reproductive body of a seed plant especially one having sweet flesh

Verb

jacks, jacking, jacked  

jack - lift with a special device; "jack up the car so you can change the tire"
  jack up
  elevate, bring up, get up, lift, raise cause to come to a sudden stop; "The noise brought her up in shock"
jack - hunt with a jacklight
  jacklight
  hunt down, track down, hunt, run pursue for food or sport (as of wild animals); "Goering often hunted wild boars in Poland"; "The dogs are running deer"; "The Duke hunted in these woods"
= synonym
= antonym
= related word

Wiktionary Wiktionary dictionary logo

  • jack (Noun)
    A mechanical device used to raise and temporarily support a heavy object.
  • jack (Noun)
    A man or men in general.
  • jack (Noun)
    A male animal.
  • jack (Noun)
    A knave a servant or later, a deceitful man.
  • jack (Noun)
    A male ass.
  • jack (Noun)
    A surface-mounted connector for electrical, especially telecommunications, equipment.
  • jack (Noun)
    A target ball in bowls, etc; a jack-ball.
  • jack (Noun)
    A small, six-pointed playing piece used in the game of jacks.
  • jack (Noun)
    Nothing, jackshit.
  • jack (Noun)
    A small flag at the bow of a ship.
  • jack (Noun)
    A naval ensign flag flown from the main mast, mizzen mast, or the aft-most major mast of especially British sailing warships; Union Jack .
  • jack (Noun)
    A coarse and cheap medieval coat of defense, especially one made of leather.
  • jack (Noun)
    A penny with a head on both sides, used for cheating.
  • jack (Noun)
    Money.
  • jack (Noun)
    A smooth often ovoid large gravel or small cobble in a natural water course.
  • jack (Noun)
    A common name for the freshwater pike, green pike or pickerel.
  • jack (Noun)
    Large California rockfish.
  • jack (Noun)
    An order of marine fish in the Carangidae family.
  • jack (Noun)
    A sailor; a "jack tar".
  • jack (Noun)
    A coarse mediaeval coat of defence, especially one made of leather.
  • jack (Noun)
    A jackfruit tree.
  • jack (Verb)
    To use a jack.
  • jack (Verb)
    To raise or increase.
  • jack (Verb)
    To steal something, typically an automobile. Contraction of carjacking.
  • jack (Verb)
    To hit the ball hard; especially, to hit the ball out of the field, producing a home run .

Webster DictionaryWebster's Unabridged Dictionary šŸ“˜

  • jack (n.)
    A large tree, the Artocarpus integrifolia, common in the East Indies, closely allied to the breadfruit, from which it differs in having its leaves entire. The fruit is of great size, weighing from thirty to forty pounds, and through its soft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow.
  • jack (n.)
    A familiar nickname of, or substitute for, John.
  • jack (n.)
    An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic.
  • jack (n.)
    A popular colloquial name for a sailor; -- called also Jack tar, and Jack afloat.
  • jack (n.)
    A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack
  • jack (n.)
    A device to pull off boots.
  • jack (n.)
    A sawhorse or sawbuck.
  • jack (n.)
    A machine or contrivance for turning a spit; a smoke jack, or kitchen jack.
  • jack (n.)
    A wooden wedge for separating rocks rent by blasting.
  • jack (n.)
    A lever for depressing the sinkers which push the loops down on the needles.
  • jack (n.)
    A grating to separate and guide the threads; a heck box.
  • jack (n.)
    A machine for twisting the sliver as it leaves the carding machine.
  • jack (n.)
    A compact, portable machine for planing metal.
  • jack (n.)
    A machine for slicking or pebbling leather.
  • jack (n.)
    A system of gearing driven by a horse power, for multiplying speed.
  • jack (n.)
    A hood or other device placed over a chimney or vent pipe, to prevent a back draught.
  • jack (n.)
    In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper.
  • jack (n.)
    In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself.
  • jack (n.)
    A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack.
  • jack (n.)
    The small bowl used as a mark in the game of bowls.
  • jack (n.)
    The male of certain animals, as of the ass.
  • jack (n.)
    A young pike; a pickerel.
  • jack (n.)
    The jurel.
  • jack (n.)
    A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou.
  • jack (n.)
    The wall-eyed pike.
  • jack (n.)
    A drinking measure holding half a pint; also, one holding a quarter of a pint.
  • jack (n.)
    A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also union jack. The American jack is a small blue flag, with a star for each State.
  • jack (n.)
    A bar of iron athwart ships at a topgallant masthead, to support a royal mast, and give spread to the royal shrouds; -- called also jack crosstree.
  • jack (n.)
    The knave of a suit of playing cards.
  • jack (n.)
    A coarse and cheap mediaeval coat of defense, esp. one made of leather.
  • jack (n.)
    A pitcher or can of waxed leather; -- called also black jack.
  • jack (v. i.)
    To hunt game at night by means of a jack. See 2d Jack, n., 4, n.
  • jack (v. t.)
    To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5.

OmegaWiki DictionaryOmegaWiki Dictionary Ī©

  • jack
    A male rabbit.
  • jack
    A playing card marked with the figure of a servant or soldier.
  • jack
    A mechanical device used to lift heavy loads.

Chambers DictionaryChamber's 20th Century Dictionary šŸ“•

  • jack
    jak, n. used as a familiar name or diminutive of John: a saucy or paltry fellow: a sailor: any instrument serving to supply the place of a boy or helper, as a bootjack for taking off boots, a contrivance for turning a spit (smoke-jack, roasting-jack), a screw for raising heavy weights, a figure which strikes the bell in clocks: the male of some animals: a young pike: a support to saw wood on: a miner's wedge: a flag displayed from the bowsprit of a ship: a leather pitcher or bottle: a coat of mail: (coll.) a knave in cards: the small white ball that forms the aim in bowls.—ns. Jack′-a-dan′dy, a dandy or fop, esp. if diminutive; Jack′-a-Lan′tern, the ignis fatuus or Will-o'-the-Wisp; Jack′-a-Lent′ (Shak.), a boy (for Jack of Lent, a kind of puppet formerly thrown at in sport at Lent); Jack′-block, a block of pulleys used for raising and lowering topgallant-masts.—n.pl. Jack′boots, large boots reaching above the knee, to protect the leg, formerly worn by cavalry, and covered with plates of iron.—ns. Jack′-cross′-tree, the cross-tree at the head of a topgallant-mast; Jack′-flag, a flag which is hoisted at the spritsail topmast-head; Jack′-fool, an absolute ass; Jack′-in-off′ice, a conceited and impertinent official; Jack′-in-the-box′, a box with a figure in it that springs up when the lid is lifted; Jack′-in-the-green′, a May-day chimney-sweep almost covered up with green shrubs; Jack′-knife, a large clasp-knife; Jack′-man, a soldier armed with a jack or coat of mail: a retainer; Jack′-nas′ty, a sneak, a sloven; Jack′-of-all′-trades, one who can turn his hand to anything; Jack′-plane, a large, strong plane used by joiners; Jack′-pudd′ing, a merry-andrew, buffoon; Jack′-rabb′it, one of several species of prairie-hares, with very long ears and legs; Jack′-raft′er, a rafter, shorter than the rest, used in hip-roofs; Jack′-sauce (Shak.), a saucy fellow; Jack′-screw, a screw for raising heavy weights; Jack′-slave (Shak.), a low servant, a vulgar fellow; Jack′-smith, a smith who makes jacks for the kitchen; Jack′-snipe, a small species of snipe; Jack′-staff, the staff on which the jack is hoisted.—n.pl. Jack′-stays, ropes or strips of wood or iron stretched along the yards of a ship to bind the sails to.—ns. Jack′-straw, a straw effigy, a low servile fellow; Jack′-tar, a sailor; Jack′-towel, a long endless towel passing over a roller.—Jack Frost, frost personified as a mischievous fellow; Jack Ketch, a public hangman—from one so named under James II.; Jack Sprat, a diminutive fellow.—Cheap Jack (see Cheap); Every man Jack, one and all; Yellow Jack (slang), yellow fever. [Fr. Jacques, the most common name in France, hence used as a substitute for John, the most common name in England; but it is really=James or Jacob—L. Jacobus.]
  • jack
    Jak, jak, n. a tree of the East Indies of the same genus as the bread-fruit tree. [Port. jaka—Malay tsjaka.]

Marine DictionaryUniversal Dictionary of the Marine āš“ļø

  • jack
    a sort of flag or colours, displayed from a mast erected on the outer end of a ship’s bowsprit. In the British navy the jack is nothing more than a small union flag, composed of the intersection of the red and white crosses; but in merchant ships this union is bordered with a red field. See the article UNION.

Sailor's Word-BookThe Sailor's Word-Book ⛵

  • jack
    In the British navy the jack is a small union flag, formed by the intersection of St. George's and St. Andrew's crosses (which see), usually displayed from a staff erected on the outer end of a ship's bowsprit. In merchant ships the union is bordered with white or red. (See UNION-JACK.) Also, a common term for the jack or cross-trees. Also, a young male pike, Esox lucius, under a foot in length. Also, a drinking vessel of half-pint contents. (See BLACK-JACK.)--Jack, or Jack Tar, a familiar term for a sailor. A fore-mast man and an able seaman. It was an early term for short coats, jackets, and a sort of coat-of-mail or defensive lorica, or upper garment.

Military DictionaryMilitary Dictionary and Gazetteer šŸ’„

  • jack
    See IMPLEMENTS.
  • jack
    (Fr. jacque). A coat of defensive armor, quilted and covered with leather, worn particularly by horsemen; a buff-jerkin; rarely, a coat of mail.

Foolish DictionaryThe Foolish Dictionary 🤔

  • jack
    An instrument requiring a strong arm, and used for raising heavy weights, or for pulling off the boots.

Vulgar Tongue DictionaryDictionary of the Vulgar Tongue šŸ‘…

  • jack
    A farthing, a small bowl serving as the mark for bowlers. An instrument for pulling off boots.

Proverbs DictionaryProverbs Dictionary šŸ“—

  • jack
    Jack-in-office is a great man.
  • jack
    Every Jack has his Jill.

Part of speech

šŸ”¤
  • jack, verb, present, 1st person singular of jack (infinitive).
  • jack, verb (infinitive).
  • jack, noun, singular of jacks.
  • jack, adjective.

Pronunciation

Word frequency

Jack is...

80% Complete
Very rare
Rare
Normal
Common
Very Common
99% Complete
Rare
Normal
Common

Sign Language

jack in sign language
Sign language - letter J Sign language - letter J Sign language - letter A Sign language - letter A Sign language - letter C Sign language - letter C Sign language - letter K Sign language - letter K