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Noun jack has 11 senses
  1. jack, diddly-squat, diddlysquat, diddly-shit, diddlyshit, diddly, diddley, squat, shit - a small worthless amount; "you don't know jack"
    --1 is a kind of small indefinite quantity, small indefinite amount
  2. mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer, gob, sea dog - a man who serves as a sailor
    --2 is a kind of sailor, crewman
    --2 has particulars:
     able seaman, able-bodied seaman; boatswain, bos'n, bo's'n, bosun, bo'sun; deckhand, roustabout; helmsman, steersman, steerer; lighterman, bargeman, bargee; officer, ship's officer; pilot; sea lawyer; whaler
  3. laborer, manual laborer, labourer, jack - someone who works with their hands; someone engaged in manual labor
    --3 is a kind of workman, working man, working person
    --3 has particulars:
     agricultural laborer, agricultural labourer; bracero; cleaner; day laborer, day labourer; digger; dishwasher; drudge, peon, navvy, galley slave; gandy dancer; gravedigger; hewer; hired hand, hand, hired man; hod carrier, hodman; itinerant; lumberman, lumberjack, feller, faller; miner, mineworker; muleteer, mule skinner, mule driver, skinner; platelayer, tracklayer; porter; rail-splitter, splitter; sawyer; section hand; sprayer; stacker; steeplejack; stevedore, loader, longshoreman, docker, dockhand, dock worker, dock-walloper, lumper; stoker, fireman; woodcutter; wrecker; yardman
  4. jackfruit, jak, jack - immense East Indian fruit resembling breadfruit of; its seeds are commonly roasted
    --4 is a kind of edible fruit
    --4 is a part of jackfruit, jackfruit tree, Artocarpus heterophyllus
  5. jack - an electrical device consisting of a connector socket designed for the insertion of a plug
    --5 is a kind of
    electrical device
    --5 has particulars: telephone jack, phone jack
  6. jack - game equipment consisting of one of several small objects picked up while bouncing a ball in the game of jacks
    --6 is a kind of
    game equipment
  7. jack - small flag indicating a ship's nationality
    --7 is a kind of
  8. jack, knave - one of four face cards in a deck bearing a picture of a young prince
    --8 is a kind of face card, picture card, court card
  9. jack - tool for exerting pressure or lifting
    --9 is a kind of
    --9 has particulars: bumper jack; jackscrew, screw jack
    Derived form: verb jack1
  10. jack - any of several fast-swimming predacious fishes of tropical to warm-temperate seas
    --10 is a kind of
    carangid fish, carangid
    --10 is a member of Carangidae, family Carangidae
    --10 has particulars:
     crevalle jack, jack crevalle, Caranx hippos; yellow jack, Caranx bartholomaei; runner, blue runner, Caranx crysos; rainbow runner, Elagatis bipinnulata; leatherjacket, leatherjack; threadfish, thread-fish, Alectis ciliaris; amberjack, amberfish; yellowtail, Seriola dorsalis; rudderfish, banded rudderfish, Seriola zonata; kingfish, Seriola grandis
  11. jack, jackass - male donkey
    --11 is a kind of ass
Verb jack has 2 senses
  1. jack, jack up - lift with a special device; "jack up the car so you can change the tire"
    --1 is one way to raise, lift, elevate, get up, bring up
    Derived form: noun jack9
    Sample sentence:
    Somebody ----s something
  2. jacklight, jack - hunt with a jacklight
    --2 is one way to hunt, run, hunt down, track down
    Sample sentences:
    Somebody ----s
    Somebody ----s something
jack-knifed jack-o-lantern jack-o-lantern fungus jack-o-lanterns jack-o -lantern jack-off jack-pin jack-tar jack jack jack ass jack bean jack benny jack crevalle jack dempsey jack frost jack hammer

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