American English

Definition of pump verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they pump
    he / she / it pumps
    past simple pumped
    -ing form pumping
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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.
  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 someone by asking them a lot of questions See if you can pump him for more details.
  6. Idioms
    pump bullets, shots, etc. into somebody
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    to fire a lot of bullets into someone
    pump somebody full of something
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    to fill someone with something, especially drugs They pumped her full of painkillers.
    pump iron (informal)
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    to do exercises in which you lift heavy weights in order to make your muscles stronger
    pump somebody's stomach
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    to remove the contents of someone'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 Learner's Dictionary entry: pump