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noun \ˈpəmp\

Definition of pump

  1. 1 :  a device that raises, transfers, delivers, or compresses fluids or that attenuates gases especially by suction or pressure or both

  2. 2 :  heart

  3. 3 :  an act or the process of pumping

  4. 4 :  an energy source (as light) for pumping atoms or molecules

  5. 5 :  a biological mechanism by which atoms, ions, or molecules are transported across cell membranes — compare sodium pump

Origin of pump

Middle English pumpe, pompe; akin to Middle Low German pumpe pump, Middle Dutch pompe

First Known Use: 15th century




Simple Definition of pump

  • : to move something (such as water, air, or gas) to or from a particular place with a pump

  • : to remove water, air, etc., from (something) with a pump

  • : to remove the contents of (someone's stomach) by using a tube and a small pump

Full Definition of pump

  1. intransitive verb
  2. 1 :  to work a pump :  raise or move a fluid with a pump

  3. 2 :  to exert oneself to pump or as if to pump something

  4. 3 :  to move in a manner that resembles the action of a pump handle

  5. transitive verb
  6. 1 a :  to raise (as water) with a pump b :  to draw fluid from with a pump

  7. 2 :  to pour forth, deliver, or draw with or as if with a pump <pumped money into the economy> <pump new life into the classroom>

  8. 3 a :  to question persistently <pumped him for the information> b :  to elicit by persistent questioning

  9. 4 a :  to operate by manipulating a lever b :  to manipulate as if operating a pump handle <pumped my hand warmly> c :  to cause to move with an action resembling that of a pump handle <a runner pumping her arms>

  10. 5 :  to transport (as ions) against a concentration gradient by the expenditure of energy

  11. 6 a :  to excite (as atoms or molecules) especially so as to cause emission of coherent monochromatic electromagnetic radiation (as in a laser) b :  to energize (as a laser) by pumping

pump iron
  1. :  to lift weights

Examples of pump

  1. He pumped the water up from the bottom of the boat.

  2. The machine suddenly stopped pumping.

  3. We pumped the boat dry.

  4. We had to pump the basement out.

  5. Your heart pumps blood all over your body.

  6. I could feel the blood pumping through my veins.

  7. Blood pumped out of the cut.


First Known Use of pump





Definition of pump

  1. :  a shoe that grips the foot chiefly at the toe and heel; especially :  a close-fitting woman's dress shoe with a moderate to high heel

Origin of pump

origin unknown

First Known Use: 1555

PUMP Defined for Kids




Definition of pump

  1. :  a device for raising, moving, or compressing liquids or gases



verb \ˈpəmp\

Definition of pump


  1. 1 :  to raise, move, or compress by using a pump <pump water>

  2. 2 :  to fill by using a pump <I pumped up my tires.>

  3. 3 :  to draw, force, or drive onward in the manner of a pump <The heart pumps blood through the body.>

  4. 4 :  to question again and again to find out something <She proceeded to pump me about my family and circumstances … — Gail Carson Levine, Ella Enchanted>

  5. 5 :  to move (something) up and down or in and out quickly and repeatedly <He pumped his fist in the air.>

  6. 6 :  to remove (a liquid or gas) from by using a pump <We pumped the boat dry.>

Seen and Heard

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February 13, 2016

a trying or distressing experience

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