at the pump

: a device that raises, transfers, delivers, or compresses fluids or that attenuates gases especially by suction or pressure or both

: heart

: an act or the process of pumping

: to work a pump : raise or move a fluid with a pump

: to exert oneself to pump or as if to pump something

: to move in a manner that resembles the action of a pump handle

: a shoe that grips the foot chiefly at the toe and heel