Pump

English Meaning

A low shoe with a thin sole.

1. A machine or device for raising, compressing, or transferring fluids.
2. Physiology A molecular mechanism for the active transport of ions or molecules across a cell membrane.
3. Physics Electromagnetic radiation used to raise atoms or molecules to a higher energy level.
4. Informal The heart.
5. To raise or cause to flow by means of a pump.
6. To draw, deliver, or pour forth as if with a pump.
7. To remove the water from: pump out a flooded basement.
8. To cause to move with the up-and-down motion of a pump handle: a bicyclist pumping the pedals.
9. To propel, eject, or insert with or as if with a pump: pumped new life into the economy.
10. Physics To raise (atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.
11. Physiology To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.
12. To question closely or persistently: pump a witness for secret information.
13. To operate a pump.
14. To raise or move gas or liquid with a pump.
15. To move up and down in the manner of a pump handle.
16. Sports To fake a throw, pass, or shot by moving the arm or arms without releasing the ball.
17. pump up To inflate with gas by means of a pump: pump up a tire.
18. pump up Slang To fill with enthusiasm, strength, and energy: The lively debate really pumped us up.
19. pump up Sports To be actively involved in a bodybuilding program: athletes pumping up at the gym.
20. pump iron Sports To lift weights.
21. A woman's shoe that has medium or high heels and no fastenings.