1

pump

play
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 and Etymology of pump

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


First Known Use: 15th century


2

pump

verb

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 in a sentence

  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.

1508

First Known Use of pump

1508


3

pump

noun

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 and Etymology of pump

origin unknown


First Known Use: 1555



PUMP Defined for English Language Learners


2

pump

verb

Definition of pump for English Language Learners

  • : 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


PUMP Defined for Kids

1

pump

play
noun

Definition of pump for Students

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


2

pump

play
verb \ˈpəmp\

Definition of pump for Students

pumped

pumping

  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.>


Medical Dictionary

1

pump

play
noun \ˈpəmp\

Medical Definition of pump

  1. 1:  a device that raises, transfers, 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 mechanism by which atoms, ions, or molecules are transported across cell membranes—see proton pump, sodium pump


2

pump

verb

Medical Definition of pump

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

  2. 1

  3. transitive verb

  4. :  to raise (as water) with a pump

  5. 2:  to draw fluid from with a pump

  6. 3:  to transport (as ions) against a concentration gradient by the expenditure of energy

  7. 4a:  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



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