suction pump

noun

1. a pump for raising water or other fluids by suction, consisting essentially of a vertical cylinder in which a piston works up and down, both the cylinder and the pump having valves that control the flow of the fluid.

suction pump

noun

1. a pump for raising water or other fluid by suction. It usually consists of a cylinder containing a piston fitted with a flap valve

Word History and Origins

Origin of suction pump¹

First recorded in 1815–25