Meaning of PUMP in English


pump 1

— pumpable , adj. — pumpless , adj. — pumplike , adj.

/pump/ , n.

1. an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes.

2. Engin. , Building Trades. a shore having a jackscrew in its foot for adjusting the length or for bearing more firmly against the structure to be sustained.

3. Biol. an animal organ that propels fluid through the body; heart.

4. Cell Biol. a system that supplies energy for transport against a chemical gradient, as the sodium pump for the transfer of sodium and potassium ions across a cell membrane.

5. prime the pump ,

a. to increase government expenditure in an effort to stimulate the economy.

b. to support or promote the operation or improvement of something.


6. to raise, drive, etc., with a pump.

7. to free from water or other liquid by means of a pump.

8. to inflate by pumping (often fol. by up ): to pump a tire up.

9. to operate or move by an up-and-down or back-and-forth action.

10. to supply with air, as an organ, by means of a pumplike device.

11. to drive, force, etc., as if from a pump: He rapidly pumped a dozen shots into the bull's-eye.

12. to supply or inject as if by using a pump: to pump money into a failing business.

13. to question artfully or persistently to elicit information: to pump someone for confidential information.

14. to elicit (information) by questioning.


15. to work a pump; raise or move water, oil, etc., with a pump.

16. to operate as a pump does.

17. to move up and down like a pump handle.

18. to exert oneself in a manner likened to pumping: He pumped away at his homework all evening.

19. to seek to elicit information from a person.

20. to come out in spurts.

21. pump iron . See iron (def. 16).

22. pump up ,

a. to inflate.

b. to increase, heighten, or strengthen; put more effort into or emphasis on; intensify: The store has decided to pump up its advertising.

c. to infuse with enthusiasm, competitive spirit, energy, etc.: The contestants were all backstage pumping themselves up for their big moment.

[ 1400-50; late ME pumpe (n.); c. G Pumpe, D pomp ]

pump 2

/pump/ , n.

1. a lightweight, low-cut shoe without fastenings for women.

2. a slip-on black patent leather shoe for men, for wear with formal dress.

[ 1720-30; orig. uncert. ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .