pump
n. countable C1 Advanced Oxford US //ˈpəmp// UK //pˈʌmp// pump
n. a machine that moves liquids or gases from one place to another. You often use one to put air into tires or water into a garden.
n. a mechanical device used to move fluids or gases by suction or pressure. Often functions via a reciprocating or rotary mechanism to displace volume.
I need a pump to inflate my bicycle tires.
The mechanic replaced the fuel pump because the engine was not receiving enough gasoline to start.
Industrial facilities often rely on high-capacity centrifugal pumps to circulate coolant through the primary heat exchangers during peak production hours.
Usage
Commonly used in compound nouns such as 'heat pump', 'water pump', or 'bicycle pump'.