Meaning of pump

Definition of pump

(noun) 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
(verb) 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"

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