grease gun

noun

1. a hand-operated pump for greasing bearings under pressure.

grease gun

noun

1. a device for forcing grease through nipples into bearings, usually consisting of a cylinder with a plunger and nozzle fitted to it

Word History and Origins

Origin of grease gun¹

First recorded in 1915–20

Example Sentences

Founded during the depths of the Great Depression, ARO first made air-powered pumps for things like gas station grease guns.

From MIT Technology Review

Yes; well, we have an air grease gun and we also have these hand-type grease guns.

From Project Gutenberg