pump
noun
a mechanical device that moves fluid or gas by pressure or suction
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”
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”
deliver forth
“pump bullets into the dummy”
draw or pour with a pump
supply in great quantities
“Pump money into a project”
flow intermittently
move up and down
“The athlete pumps weights in the gym”
raise (gases or fluids) with a pump
question persistently
“She pumped the witnesses for information”
Source: WordNet 3.1, Princeton University