pump (http://definr.com/pump)

     n 1: a mechanical device that moves fluid or gas by pressure or
     2: 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" [syn: heart, ticker]
     3: a low-cut shoe without fastenings [syn: pumps]
     v 1: operate like a pump; move up and down, like a handle or a
     2: deliver forth; "pump bullets into the dummy"
     3: draw or pour with a pump
     4: supply in great quantities; "Pump money into a project"
     5: flow intermittently
     6: move up and down, as of weights
     7: raise with a pump; of gases or fluids
     8: question persistently; "She pumped the witnesses  for