pump
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Definition of pump:
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 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" |