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Dictionary definition for: Pump

1. (n) a mechanical device that moves fluid or gas by pressure or suction

2. (v) operate like a pump; move up and down, like a handle or a pedal

3. (n) 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"

4. (v) deliver forth; "pump bullets into the dummy"

5. (n) a low-cut shoe without fastenings

6. (v) draw or pour with a pump

7. (v) supply in great quantities; "Pump money into a project"

8. (v) flow intermittently

9. (v) move up and down; "The athlete pumps weights in the gym"

10. (v) raise (gases oor fluids) with a pump

11. (v) question persistently; "She pumped the witnesses for information"

WordNet 2.1 Copyright Princeton University. All rights reserved.