Meaning of PUMP in English

I. ˈpəmp noun

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

Date: 15th century

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

2. : heart

3. : an act or the process of pumping

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

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

II. verb

Date: 1508

intransitive verb

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

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

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

transitive verb


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

b. : to draw fluid from with a pump

2. : to pour forth, deliver, or draw with or as if with a pump

pump ed money into the economy

pump new life into the classroom


a. : to question persistently

pump ed him for the information

b. : to elicit by persistent questioning


a. : to operate by manipulating a lever

b. : to manipulate as if operating a pump handle

pump ed my hand warmly

c. : to cause to move with an action resembling that of a pump handle

a runner pump ing her arms

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


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

III. noun

Etymology: origin unknown

Date: 1555

: 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

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.