pump

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

A low-cut shoe without fastenings.

A mechanical device that moves fluid or gas by pressure or suction.

Raise (gases or fluids) with a pump.

Supply in great quantities.

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”