pump

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

raise (gases or fluids) with a pump

supply in great quantities

a low-cut shoe without fastenings

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

deliver forth

“pump bullets into the dummy”

draw or pour with a pump

flow intermittently

move up and down

“The athlete pumps weights in the gym”

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

“pump the gas pedal”

question persistently

“She pumped the witnesses for information”