a mechanical device that moves fluid or gas by pressure or suction

the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body; he stood still, his heart thumping wildly

[ Syn: heart , ticker ]

a low-cut shoe without fastenings

operate like a pump; move up and down, like a handle or a pedal; pump the gas pedal'

deliver forth; pump bullets into the dummy'

draw or pour with a pump

supply in great quantities; Pump money into a project'

flow intermittently

move up and down; The athlete pumps weights in the gym'

raise (gases or fluids) with a pump

question persistently; She pumped the witnesses for information'