pump

The definition of a pump is a device that forces gas or liquid into something, or pulls gas or liquid out of something.

(noun)

  1. An example of a pump is what you would use to fill an air mattress.
  2. An example ofa pump is the machine used to milk a cow.

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See pump in Webster's New World College Dictionary

noun

  1. any of various machines that force a liquid or gas into or through, or draw it out of, something, as by suction or pressure
  2. Informal the heart

Origin: ME pumpe < MDu pompe < Sp bomba, prob. of echoic orig.

transitive verb

  1. to raise or move (fluids) with a pump
  2. to remove water, etc. from, as with a pump
  3. to drive air into with a pump or bellows
  4. to force in, draw out, drive, move up and down, pour forth, etc. by means of a pump or as a pump does
  5. to apply force to with a pumping, up-and-down motion
  6. Informal
    1. to question closely and persistently
    2. to get (information) from a person in this way
  7. Physics to transfer or inject energy into (particles, the electrons of a laser, etc.)

intransitive verb

  1. to work a pump
  2. to raise or move water, etc. with a pump
  3. to move up and down or go by moving up and down like a pump handle or piston
  4. to flow in, out, or through by, or as if by, being pumped
  5. Basketball, Football to fake a shot or a throw

noun

a low-cut shoe without straps or ties; esp., such a woman's shoe with a moderate to high heel

Origin: < ? prob. < Fr colloq. pompe, boot, shoe, lit. pump: jocular for a shoe which pumps in the water

See pump in American Heritage Dictionary 4

noun
  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.
verb pumped, pump·ing, pumps
verb, transitive
  1. To raise or cause to flow by means of a pump.
  2. To draw, deliver, or pour forth as if with a pump.
  3. To remove the water from: pump out a flooded basement.
  4. To cause to move with the up-and-down motion of a pump handle: a bicyclist pumping the pedals.
  5. To propel, eject, or insert with or as if with a pump: pumped new life into the economy.
  6. Physics To raise (atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.
  7. Physiology To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.
  8. To question closely or persistently: pump a witness for secret information.
verb, intransitive
  1. To operate a pump.
  2. To raise or move gas or liquid with a pump.
  3. To move up and down in the manner of a pump handle.
  4. Sports To fake a throw, pass, or shot by moving the arm or arms without releasing the ball.
Phrasal Verb: pump up To inflate with gas by means of a pump: pump up a tire. Slang To fill with enthusiasm, strength, and energy: The lively debate really pumped us up. Sports To be actively involved in a bodybuilding program: athletes pumping up at the gym.

Origin:

Origin: Middle English pumpe

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Related Forms:

  • pumpˈer noun

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pump1

top: jet pump

bottom: centrifugal pump

noun
A woman's shoe that has medium or high heels and no fastenings.

Origin:

Origin: Origin unknown

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