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Definitions for Pump

[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] Engineering , 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] Biology . an animal organ that propels fluid through the body; heart.
[4] Cell Biology . 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] to raise, drive, etc., with a pump.
[6] to free from water or other liquid by means of a pump.
[7] to inflate by pumping (often followed by up ): to pump a tire up.
[8] to operate or move by an up-and-down or back-and-forth action.
[9] to supply with air, as an organ, by means of a pumplike device.
[10] to drive, force, etc., as if from a pump: He rapidly pumped a dozen shots into the bull's-eye.
[11] to supply or inject as if by using a pump: to pump money into a failing business.
[12] to question artfully or persistently to elicit information: to pump someone for confidential information.
[13] to elicit (information) by questioning.
[14] to work a pump; raise or move water, oil, etc., with a pump.
[15] to operate as a pump does.
[16] to move up and down like a pump handle.
[17] to exert oneself in a manner likened to pumping: He pumped away at his homework all evening.
[18] to seek to elicit information from a person.
[19] to come out in spurts.
[20] pump up , to inflate. to increase, heighten, or strengthen; put more effort into or emphasis on; intensify: The store has decided to pump up its advertising. to infuse with enthusiasm, competitive spirit, energy, etc.: The contestants were all backstage pumping themselves up for their big moment.
[21] prime the pump , to increase government expenditure in an effort to stimulate the economy. to support or promote the operation or improvement of something.
[22] pump iron . iron(def 29) .
[23] a lightweight, low-cut shoe without fastenings for women.
[24] a slip-on black patent leather shoe for men, for wear with formal dress.
[25] any device for compressing, driving, raising, or reducing the pressure of a fluid, esp by means of a piston or set of rotating impellers
[26] biology a mechanism for the active transport of ions, such as protons, calcium ions, and sodium ions, across cell membranes a sodium pump
[27] (when tr, usually foll by from, out, into, away, etc ) to raise or drive (air, liquid, etc, esp into or from something) with a pump or similar device
[28] (tr; usually foll by in or into) to supply in large amounts to pump capital into a project
[29] (tr) to deliver (shots, bullets, etc) repeatedly with great force
[30] to operate (something, esp a handle or lever) in the manner of a pump or (of something) to work in this way to pump the pedals of a bicycle
[31] (tr) to obtain (information) from (a person) by persistent questioning
[32] (intr; usually foll by from or out of) (of liquids) to flow freely in large spurts oil pumped from the fissure
[33] a low-cut low-heeled shoe without fastenings, worn esp for dancing
[34] a type of shoe with a rubber sole, used in games such as tennis; plimsoll

Words related to Pump

draw, drain, tap, supply, send, siphon, pour, inject, push, distend, force, dilate, swell, drive, elevate, draft, inflate, empty, grill, probe

Words nearby Pump

pumelo, pumice, pumice country, pummel, pummelo, pump, pump box, pump gun, pump iron, pump lung, pump priming

Origin of Pump

2First recorded in 1720–30; origin uncertain

Other words from Pump

pump·a·ble , adjective
pump·less , adjective
pump·like , adjective
un·pump·a·ble , adjective
un·pumped , adjective

Word origin for Pump

C16: of unknown origin

Synonyms for Pump

drain, draw, inject, pour, push, send, siphon, supply, tap, dilate, distend, draft, drive, elevate, empty, force, inflate, swell, bail out, blow up, draw off, drive out, force out