a mechanical device that moves fluid or gas by pressure or suction;
a low-cut shoe without fastenings;
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions pump blood through the body; "he stood still, his heart thumping wildly";
question persistently; "She pumped the witnesses for information";
deliver forth; "pump bullets into the dummy";
operate like a pump; move up and down, like a handle or a pedal;
raise (gases oor fluids) with a pump;
move up and down; "The athlete pumps weights in the gym";
draw or pour with a pump;
flow intermittently;
supply in great quantities; "Pump money into a project";