We found 1 definitions of worm gear from 1 different sources.
Noun |
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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 wheel, geared wheel, gear a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | ||
worm any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae |