worm gear | sense examples, Usage and Definition from wordnet dictionary online

Noun worm gear has 1 sense

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
--₁ is a kind of gear, gear wheel, cogwheel
--₁ has part: worm; worm wheel

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