A kind of pump in which the upstroke of the piston draws liquid, through an inlet valve, into the cylinder. On the downstroke, the liquid is discharged, through an outlet valve, into the outlet pipe.

A simple hand-powered device used to impart a rapid rotating motion to a rod (the spindle or drill shaft), used to start a fire or to drill holes.

plural of pump drill

a part of a motor vehicle that transfers liquid from the fuel tank to the carburetor or fuel injector of the internal combustion engine.

(obsolete, slang) A bad bill of exchange, drawn on persons who have no effects of the drawer.

To thrust forward one's fist, as in celebration.

A pump which operates by periodically changing the volume of a cavity

The enzyme sodium-potassium adenosine triphosphatase, found in the plasma membrane of all animal cells, that pumps sodium out of cells while pumping potassium into cells.

(chiefly Canada, idiomatic) To praise, encourage, or vigorously support someone.

(Ireland, derogatory, informal) political activity that is more evidently concerned with addressing the immediate needs of the local electorate than with strategy that might affect the national interest.