plural of bike pump

(Australia, biology) A large hand-operated syringe-like suction pump, made of metal tubing with a rubber plunger, used to harvest ghost shrimp (prototypically the marine yabby) and other burrowing crustaceans from intertidal environments.

plural of yabby pump

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.

plural of force pump

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.

plural of fuel pump

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