jack Hear it!

jack Definition

jack (jak)

noun pl. jacks, jack

  1. John
    1. Obsolete a common fellow or boy assistant
    2. a man or boy; fellow: sometimes used as a slang form of address
    3. Now Rare a sailor; jack-tar
    4. ☆ a lumberjack
    5. a jack-of-all-trades
    1. bootjack
    2. Monterey Jack
    3. smokejack
  2. a fruit-flavored alcoholic liquor, as applejack
  3. any of various machines used to lift, hoist, or move something heavy a short distance hydraulic jack, automobile jack
  4. a wooden bar attached to each key of a harpsichord, etc. that raises the plectrum when the key is depressed
  5. a male donkey; jackass
  6. jack rabbit
  7. any of various birds, as a jackdaw
    1. any of a tropical, marine family (Carangidae) of predatory, silvery, percoid, game and food fishes with widely forked tails, including the pompanos and yellowtails
    2. jackfish
  8. Slang money
  9. Elec. a plug-in receptacle used to make electrical contact
  10. Games
    1. a playing card with a conventionalized picture of a royal male servant or soldier on it; knave
    2. a small ball used as the center mark in lawn bowling
    3. any of the small stones or six-pronged metal pieces used in playing jacks
  11. Hunting a torch or light used to attract fish or game at night
  12. Naut. a small flag usually flown on a ship's bow to show nationality, often, specif., union jack

Etymology: ME Jacke, Jake < OFr Jaque, Jaques < LL(Ec) Jacobus, Jacob

transitive verb

  1. to raise by means of a jack
  2. ☆ to hunt or fish for with a light

adjective

male: of some animals

jack Idioms

every man jack

every man; everyone

jack around

Slang
  1. to spend time in useless activity
  2. to trifle or meddle (with)
  3. to harass, treat with contempt, etc.

jack off

Slang to masturbate: used chiefly of males

jack up

  1. to raise by means of a jack
  2. Informal to raise (prices, salaries, etc.)
  3. Informal
    1. to reproach for misbehavior or neglect
    2. to encourage to perform one's duty

jack Synonyms

jack

n.

  1. An instrument for elevating

    jackscrew, ratchet, jack, automobile jack, pneumatic jack, hydraulic jack; see also device 1, tool 1.

  2. The male of certain animals

    buck, stud, stag; see animal 2, bull 1.

every man jack

every man, everyone, all; see everybody.

jack Telecom Definition

A female connector or outlet with receptacles designed to receive the pins of a male plug in a plugand-jack connection. See also connector, plug, and RJ.

jack Usage Examples

Converse of object

jump: Running works great, running backward, jumping side steps, jumping in place, jumping jacks, things like that.

Preposition: for

listening: A headphone jack for private listening is included in the design.

Adjective modifier

  • 3.5mm: Connectivity on the receiver is offered either via a 3.5mm phono jack or a pair of standard phono cables.
  • hydraulic: I use a laboratory jack for vertical movement having toyed with a small car hydraulic jack.
  • 2.5mm: Connects to radio via 3.5mm & 2.5mm mono jacks.
  • stereo: Line Socket: RCA Phono Phones Socket: 3.5mm stereo jack Cable Length: 3m supplied, extensions available up to 100m.
  • rj-11: That's right, the Duo has an RJ-45 jack for the integrated NT-1 ISDN U interface, plus an RJ-11 telephone jack.
  • black: Or I am sitting in Las Vegas playing black jack listening to my stuff.

Modifies a noun

  • plug: Particularly little screws in jack plugs, mains plugs, IEC connectors.
  • snipe: The love-song of the common jack snipe seemed not a whit less mysterious than partridge drumming.
  • socket: Attach a switch to the jack socket on the front on the unit.
  • pike: The latter was followed to the net by a jack pike of similar size!
  • hammer: It would probably be worth hiring a jack hammer for the job.
  • connector: The other side of the battery box may have XLR or 1/4 " jack connectors.

Noun used with modifier

  • headphone: Plug a tape recorder into the headphone jack of the computer with a double plug cord.
  • union: Rating: UNION JACK · New series · Vol.
  • headset: An integrated headset jack allows for flexible and easy headphone use.
  • trolley: When using a trolley jack, refer to the vehicle workshop manual to identify the correct lifting point.
  • rj: They like a personal lines customers just a good an rj jack.
  • phono: Connectivity on the receiver is offered either via a 3.5mm phono jack or a pair of standard phono cables.