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单词 tap
释义

WordReference Random House Learner's Dictionary of American English © 2024
tap1 /tæp/USA pronunciation   v., tapped, tap•ping, n. 
v. 
  1. to strike with a light blow or blows that can just be heard: [+ object]He tapped my shoulder and winked.[no object]A stranger tapped on the window.
  2. to strike (the fingers, etc.) upon something, esp. with repeated light blows:[+ object]He tapped his pencil on the desk.
  3. to make, put, etc., by tapping:[+ object]to tap a nail into a wall.
  4. [no object] to tapdance.

n. [countable]
  1. a light, soft blow:He gave the window a tap.
  2. the sound made by this:I heard taps on the window.
  3. Clothinga piece of metal attached to the toe or heel of a shoe, as for reinforcement or for making the tapping of a dancer more easily heard.
tap•per, n. [countable]

tap2 /tæp/USA pronunciation   n., v., tapped, tap•ping. 
n. [countable]
  1. a plug or stopper for closing an opening through which liquid is drawn, as in a cask;
    a spigot.
  2. Buildinga faucet:a hot-water tap.
  3. Electricitya connection at a point between the two ends of an electrical circuit or communications device, esp. so as to be able to listen secretly to phone conversations;
    a wiretap.
  4. Surgerythe withdrawal of fluid from the body by a medical procedure:a spinal tap.

v. [+ object]
  1. to draw liquid from (a vessel, a tree, etc.):to tap a maple tree for sap.
  2. to draw off (liquid), as by removing a tap or piercing a container.
  3. to draw upon;
    begin to use:to tap their financial resources.
  4. Telecommunicationsto connect into (a communications device) secretly so as to listen to or receive what is being sent:to tap a telephone line.
Idioms
  1. Idioms on tap:
    • ready to be drawn and served, as liquor from a cask.
    • having a tap or faucet installed, as a barrel of liquor.

tap•per, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2024
tap1 (tap),USA pronunciation  v., tapped, tap•ping, n. 

    v.t. 
    1. to strike with a light but audible blow or blows;
      hit with repeated, slight blows:He tapped the door twice.
    2. to make, put, etc., by tapping:to tap a nail into a wall.
    3. to strike (the fingers, a foot, a pencil, etc.) upon or against something, esp. with repeated light blows:Stop tapping your feet!
    4. Sport[Basketball.]to strike (a ball in the air) in the direction of a teammate or of the basket.
    5. Computingto enter information or produce copy by tapping on a keyboard:to tap data into a computer; to tap out a magazine article.
    6. Clothingto add a thickness of leather to the sole or heel of (a boot or shoe), as in repairing.

    v.i. 
    1. to strike lightly but audibly, as to attract attention.
    2. to strike light blows.
    3. to tap-dance.

    n. 
    1. a light but audible blow:a tap on the shoulder.
    2. the sound made by this.
    3. Clothinga piece of metal attached to the toe or heel of a shoe, as for reinforcement or for making the tapping of a dancer more audible.
    4. Sport[Basketball.]an act or instance of tapping the ball:Hanson got the tap from our center, who, 6prime;9ʺ tall, couldn't lose a jump ball.
    5. Clothinga thickness of leather added to the sole or heel of a boot or shoe, as in repairing.
    • 1175–1225; (verb, verbal) Middle English tappen, variant of early Middle English teppen, probably imitative; (noun, nominal) Middle English, derivative of the verb, verbal
    tappa•ble, adj. 

    tap2 (tap),USA pronunciation  n., v., tapped, tap•ping. 

      n. 
      1. a cylindrical stick, long plug, or stopper for closing an opening through which liquid is drawn, as in a cask;
        spigot.
      2. Buildinga faucet or cock.
      3. the liquor drawn through a particular tap.
      4. British Termsa taphouse or taproom.
      5. Buildinga tool for cutting screw threads into the cylindrical surface of a round opening.
      6. Surgerythe withdrawal of fluid:spinal tap.
      7. Buildinga hole made in tapping, as one in a pipe to furnish connection for a branch pipe.
      8. Electricitya connection brought out of a winding at some point between its extremities, for controlling the voltage ratio.
      9. Telecommunications, Informal Terms[Informal.]an act or instance of wiretapping.
      10. [Archaic.]a particular kind or quality of drink.
      11. on tap:
        • ready to be drawn and served, as liquor from a cask.
        • furnished with a tap or cock, as a barrel containing liquor.
        • Informal Termsready for immediate use;
          available:There are numerous other projects on tap.

      v.t. 
      1. to draw liquid from (a vessel or container).
      2. to draw off (liquid) by removing or opening a tap or by piercing a container.
      3. to draw the tap or plug from or pierce (a cask or other container).
      4. to penetrate, open up, reach into, etc., for the purpose of using something or drawing something off;
        begin to use:to tap one's resources.
      5. Telecommunicationsto connect into secretly so as to receive the message or signal being transmitted:to tap a telephone wire or telephone.
      6. Buildingto furnish (a cask, container, pipe, etc.) with a tap.
      7. Buildingto cut a screw thread into the surface of (an opening).
      8. Civil Engineeringto open outlets from (power lines, highways, pipes, etc.).
      9. Informal Terms tap into, to gain access to;
        become friendly with:The candidate tapped into some wealthy supporters.
      10. Metallurgy tap off, to remove (liquid, molten metal, etc.) from a keg, furnace, or the like:to tap off slag from a blast furnace.
      • bef. 1050; (noun, nominal) Middle English tappe, Old English tæppa; cognate with Dutch tap, Old High German zapfo, Old Norse tappi; (verb, verbal) Middle English tappen, Old English tæppian; cognate with Middle Low German, Middle Dutch tappen, German zapfen, Old Norse tappa
      tappa•ble, adj. 

      Collins Concise English Dictionary © HarperCollins Publishers::
      tap /tæp/ vb (taps, tapping, tapped)
      1. to strike (something) lightly and usually repeatedly
      2. (transitive) to produce by striking in this way: to tap a rhythm
      3. (transitive) to strike lightly with (something): to tap one's finger on the desk
      4. (intransitive) to walk with a tapping sound
      5. (transitive) to attach metal or leather reinforcing pieces to (the toe or heel of a shoe)
      n
      1. a light blow or knock, or the sound made by it
      2. the metal piece attached to the toe or heel of a shoe used for tap-dancing
      3. short for tap-dancing
        See tap-dancing

      See also tapsEtymology: 13th Century tappen, probably from Old French taper, of Germanic origin; related to Middle Low German tappen to pluck, Swedish dialect täpa to tap
      tap /tæp/ n
      1. a valve by which a fluid flow from a pipe can be controlled by opening and closing an orifice
        US and Canadian name: faucet
      2. a stopper to plug a cask or barrel and enable the contents to be drawn out in a controlled flow
      3. a particular quality of alcoholic drink, esp when contained in casks: an excellent tap
      4. Brit
        short for taproom
      5. the surgical withdrawal of fluid from a bodily cavity

      6. Also called: screw tap a tool for cutting female screw threads, consisting of a threaded steel cylinder with longitudinal grooves forming cutting edges
      7. chiefly US Canadian a connection made at some point between the end terminals of an inductor, resistor, or some other component
        Usual Brit name: tapping
      8. an issue of a government security released slowly onto the market when its market price reaches a predetermined level
      9. (as modifier): tap stock, tap issue
      10. a concealed listening or recording device connected to a telephone or telegraph wire for the purpose of obtaining information secretly
      11. on tapinformal ready for immediate use
      12. (of drinks) on draught
      vb (taps, tapping, tapped)(transitive)
      1. to furnish with a tap
      2. to draw off with or as if with a tap
      3. to cut into (a tree) and draw off sap from it
      4. Brit informal to ask or beg (someone) for money: he tapped me for a fiver
      5. to connect a tap to (a telephone or telegraph wire)
      6. to make a connection to (a pipe, drain, etc)
      7. to cut a female screw thread in (an object or material) by use of a tap
      8. informal (of a sports team or an employer) to make an illicit attempt to recruit (a player or employee bound by an existing contract)
      Etymology: Old English tæppa; related to Old Norse tappi tap, Old High German zapfo
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      更新时间:2025/7/23 15:51:52