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
a low-cut shoe without fastenings
pump (n.)
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'