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