gear pump

noun

1. lobular pump.

Word History and Origins

Origin of gear pump¹

First recorded in 1920–25

Example Sentences

Lubrication was by means of the usual gear pump, and the piston and rod bearings continued to be splash-fed.

From Project Gutenberg

The distributing valve forms a part of the crankcase as does the water intake, and the gear pump.

From Project Gutenberg

It then is pumped by a separate high pressure gear pump through the entire motor.

From Project Gutenberg