pump meaning

[ pʌmp ] Pronunciation:   "pump" in a sentence
Verb: pump  púmp
  1. Operate like a pump; move up and down, like a handle or a pedal
    "pump the gas pedal" 
  2. Deliver forth
    "pump bullets into the dummy" 
  3. Draw or pour with a pump 
  4. Supply in great quantities
    "Pump money into a project" 
  5. Flow intermittently 
  6. Move up and down
    "The athlete pumps weights in the gym" 
  7. Raise (gases or fluids) with a pump 
  8. Question persistently
    "She pumped the witnesses for information"
Noun: pump  púmp
  1. A mechanical device that moves fluid or gas by pressure or suction 
  2. The hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
    - heart, ticker 
  3. A low-cut shoe without fastenings

Derived forms: pumps, pumping, pumped

Type of: blast, bring up, displace, draw, elevate, furnish, get up, gush, handle, internal organ, lift, manage, mechanical device, move, provide, query, question, raise, render, shoe, shoot, spirt, spout, spurt, supply, take out, viscus, wield

Part of: cardiovascular system, circulatory system, cooling system, engine cooling system, fuel system

Encyclopedia: Pump

[American slang]
tr. to press someone for an answer or information.
• Pump him until he talks.
• Don't pump me! I will tell you nothing!

[British slang]
Verb. To break wind, to 'fart'. E.g."I'm not sitting next to Louise, she's always pumping and I can't concentrate on my work.”


A device or machine that compresses and/or transports fluids, usually by pressure or suction, or both; may be used to remove water from a construction site or to convey water from one elevation to another. See water pump.


1 [+ obj]

to make water, air, gas, etc. flow in a particular direction by using a pump or sth that works like a pump:

The engine is used for pumping water out of the mine.

2 [no obj]

(about a liquid) to flow in a particular direction as if it is being forced by a pump


pump sth into sth; pump sth in

to put a lot of money into sth:

The company has pumped millions into the advertising campaign.

pump sth out

to produce sth in large amounts:

The company pumps out hundreds of products every year.

The factories pump out thousands of litres of waste every day.

pump sth up

to increase the amount, value or volume of sth:

The government is expected to pump up interest rates to slow down the economy.

vi : to work a pump : raise or move a fluid with a pump
¦ vt
1 : to raise (as water) with a pump
2 : to draw fluid from with a pump
3 : to transport (as ions) against a concentration gradient by the expenditure of energy
a : to excite (as atoms or molecules) esp. so as to cause emission of coherent monochromatic electromagnetic radiation (as in a laser)
b : to energize (as a laser) by pumping
1 : a device that raises, transfers, or compresses fluids or that attenuates gases esp. by suction or pressure or both
3 : an act or the process of pumping
4 : an energy source (as light) for pumping atoms or molecules
5 : a mechanism (as the sodium pump) for pumping atoms, ions, or molecules


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  1. we pump water from the well for daily use.
  2. he tried to pump the secretary for information.
  3. the scupper pump failed in the afternoon.
  4. the liquids are pumped with a peristaltic pump.
  5. this water is forced into the boiler by the feed pump.

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