Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun worm_gear

1 sense of worm gear

Sense 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)
       => gear, gear wheel, geared wheel, cogwheel -- (a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion)