| 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 assembly |
worm gear
n
1. (Engineering / Mechanical Engineering) a device consisting of a threaded shaft (worm) that mates with a gearwheel (worm wheel) so that rotary motion can be transferred between two shafts at right angles to each other
2. (Engineering / Mechanical Engineering) Also called worm wheel a gearwheel driven by a threaded shaft or worm
ThesaurusLegend: Synonyms Related Words Antonyms
| 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 |
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