- 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[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[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[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[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. Word Originverb late Middle English (originally in nautical use): related to Dutch pomp
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