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

(transitive, intransitive) To use a pump to move (liquid or gas). / (transitive, often followed by up) To fill with air. / (transitive) To move rhythmically, as the motion of a pump.

(Britain) A low-top shoe with a rubber sole and a canvas upper; A gym shoe; A plimsoll; A low-top canvas sneaker.

simple past tense and past participle of pump

(slang) Pumped up. / (not comparable) Wearing pumps (the type of shoe). / (climbing) Very tired, especially when too fatigued to grip handholds well.

present participle of pump

The act by which something is pumped. / The act of injecting silicone into the body to try to achieve a fuller or curvier look.

plural of pumping

(US, Nebraska) On credit; with payment delayed until later.

plural of pump