Definition of "pump"
- noun
A device for moving or compressing a liquid or gas.
An instance of the action of a pump; one stroke of a pump; any action similar to pumping.
A device for dispensing liquid or gas to be sold, particularly fuel.
- verb
To use a pump to move (liquid or gas).
(often followed by up) To fill with air.
To move rhythmically, as the motion of a pump.
- Sources