jack

n. male first name (form of Jacob or John); fellow, man (Informal)

n. mechanical device for raising great weights; playing card with the figure of a knave; electrical socket; ship's flag; male donkey; six-pointed object used in the game of jacks

v. raise a heavy object with the help of a mechanical device; raise, boost; raise prices; hunt with a jacklight; (in Canada and the USA) take something unlawfully, steal

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Noun
1. a man who serves as a sailor
(synonym) mariner, seaman, tar, Jack-tar, old salt, seafarer, gob, sea dog
(hypernym) sailor, crewman
(hyponym) able seaman, able-bodied seaman

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Noun
1. a small worthless amount; "you don't know jack"
(synonym) diddly-squat, diddlysquat, diddly-shit, diddlyshit, diddly, diddley, squat, shit
(hypernym) small indefinite quantity, small indefinite amount
2. someone who works with their hands; someone engaged in manual labor
(synonym) laborer, manual laborer, labourer
(hypernym) workman, working man, working person
(hyponym) agricultural laborer, agricultural labourer
3. immense East Indian fruit resembling breadfruit of; its seeds are commonly roasted
(synonym) jackfruit, jak
(hypernym) edible fruit
(part-holonym) jackfruit, jackfruit tree, Artocarpus heterophyllus
4. an electrical device consisting of a connector socket designed for the insertion of a plug
(hypernym) electrical device
(hyponym) telephone jack, phone jack
5. game equipment consisting of one of several small objects picked up while bouncing a ball in the game of jacks
(hypernym) game equipment
6. small flag indicating a ship's nationality
(hypernym) flag
7. one of four face cards in a deck bearing a picture of a young prince
(synonym) knave
(hypernym) face card, picture card, court card
8. tool for exerting pressure or lifting
(hypernym) tool
(hyponym) bumper jack
(derivation) jack up
9. any of several fast-swimming predacious fishes of tropical to warm-temperate seas
(hypernym) carangid fish, carangid
(hyponym) crevalle jack, jack crevalle, Caranx hippos
(member-holonym) Carangidae, family Carangidae
10. male donkey
(synonym) jackass
(hypernym) ass

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Verb
1. lift with a special device; "jack up the car so you can change the tire"
(synonym) jack up
(hypernym) raise, lift, elevate, get up, bring up
2. hunt with a jacklight
(synonym) jacklight
(hypernym) hunt, run, hunt down, track down

n. Jack, male first name (form of Jacob or John)

nm. jack plug