[noun] a mechanical device that moves fluid or gas by pressure or suction
[noun] the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body; "he stood still, his heart thumping wildly" Synonyms: heart, ticker
[noun] a low-cut shoe without fastenings
[verb] operate like a pump; move up and down, like a handle or a pedal
[verb] deliver forth; "pump bullets into the dummy"
[verb] draw or pour with a pump
[verb] supply in great quantities; "Pump money into a project"
[verb] flow intermittently
[verb] move up and down; "The athlete pumps weights in the gym"
[verb] raise (gases oor fluids) with a pump
[verb] question persistently; "She pumped the witnesses for information"