usage: a mechanical device that moves fluid or gas by pressure or suction
2. heart, pump, ticker, internal organ, viscus
usage: 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"
3. pump, shoe
usage: a low-cut shoe without fastenings
Verb
1. pump, wield, handle, manage
usage: operate like a pump; move up and down, like a handle or a pedal; "pump the gas pedal"
2. pump, blast, shoot
usage: deliver forth; "pump bullets into the dummy"
3. pump, draw, take out
usage: draw or pour with a pump
4. pump, supply, provide, render, furnish
usage: supply in great quantities; "Pump money into a project"
5. pump, spurt, spirt, gush, spout
usage: flow intermittently
6. pump, move, displace
usage: move up and down; "The athlete pumps weights in the gym"
7. pump, raise, lift, elevate, get up, bring up
usage: raise (gases or fluids) with a pump
8. pump, question, query
usage: question persistently; "She pumped the witnesses for information"