worm gear (redirected from worm gears)

worm gear n. 1. A gear consisting of a spirally threaded shaft and a wheel with marginal teeth that mesh into it. 2. The toothed wheel of this gear; a worm wheel.

worm gear worm gear assembly

Thesaurus

Noun

1.

worm gear - gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion worm - screw thread on a gear with the teeth of a worm wheel or rack worm wheel - gear with the thread of a worm