English

Definition of pump verb from the Oxford Advanced Learner's Dictionary

     

    pump

     verb
    verb
    BrE BrE//pʌmp//
     
    ; NAmE NAmE//pʌmp//
     
    Verb Forms present simple I / you / we / they pump
    BrE BrE//pʌmp//
     
    ; NAmE NAmE//pʌmp//
     
    he / she / it pumps
    BrE BrE//pʌmps//
     
    ; NAmE NAmE//pʌmps//
     
    past simple pumped
    BrE BrE//pʌmpt//
     
    ; NAmE NAmE//pʌmpt//
     
    past participle pumped
    BrE BrE//pʌmpt//
     
    ; NAmE NAmE//pʌmpt//
     
    -ing form pumping
    BrE BrE//ˈpʌmpɪŋ//
     
    ; NAmE NAmE//ˈpʌmpɪŋ//
     
    How machines work
     
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  1. 1[transitive, intransitive] to make water, air, gas, etc. flow in a particular direction by using a pump or something that works like a pump pump (something) (+ adv./prep.) The engine is used for pumping water out of the mine. The heart pumps blood around the body. pump something + adj. The lake had been pumped dry. See related entries: How machines work
  2. 2[intransitive] + adv./prep. (of a liquid) to flow in a particular direction as if it is being forced by a pump Blood was pumping out of his wound.
  3. 3[transitive] pump something (+ adv./prep.) to move something quickly up and down or in and out He kept pumping my hand up and down. I pumped the handle like crazy.
  4. 4[intransitive] to move quickly up and down or in and out She sprinted for the line, legs pumping. My heart was pumping with excitement.
  5. 5[transitive] pump somebody (for something) (informal) to try to get information from somebody by asking them a lot of questions See if you can pump him for more details.
  6. Word Originverb late Middle English (originally in nautical use): related to Dutch pomp ‘ship's pump’ (earlier in the sense ‘wooden or metal conduit’), probably partly of imitative origin.Extra examples His heart pumped harder as he held his breath. The lungs pump oxygen into the bloodstream. The shock sent adrenalin pumping through her veins.Idioms
    pump bullets, shots, etc. into somebody
     
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    to fire a lot of bullets into somebody
    pump somebody full of something
     
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    to fill somebody with something, especially drugs They pumped her full of painkillers.
    (informal) to do exercises in which you lift heavy weights in order to make your muscles stronger See related entries: Exercise
    pump somebody’s stomach
     
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    to remove the contents of somebody’s stomach using a pump, because they have swallowed something harmful
    Phrasal Verbspump something into somethingpump something into somebodypump somethingoutpump somebodyuppump somethingup
See the Oxford Advanced American Dictionary entry: pump