Definition of "Pump" :

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

noun: a low-cut shoe without fastenings

noun: the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body

verb: question persistently

"She pumped the witnesses for information."

verb: deliver forth

"Pump bullets into the dummy."

verb: operate like a pump; move up and down, like a handle or a pedal

"Pump the gas pedal."

verb: raise (gases or fluids) with a pump

verb: move up and down

"The athlete pumps weights in the gym."

verb: draw or pour with a pump

verb: flow intermittently

verb: supply in great quantities

"Pump money into a project."