pump is on the Basic English 850 List.
pull - pump - punishment

Pronunciation

change

Plain form
pump

Third-person singular
pumps

Past tense
pumped

Past participle
pumped

Present participle
pumping

  1. To make water or any other liquid move using a machine.
    We pumped water from the river onto the field to help the plants grow.
    The heart pumps blood through the body.

Singular
pump

Plural
pumps

 
A pump for pumping water out of a well
 
An old fuel pump
  1. A pump is a machine for making water move.
    There was water on the floor of the house, so we had to buy a pump.
  2. A pump is a machine that gives a liquid, often fuel.
    Before a car journey, go to the gas station and fill up your tank at the pump.