worm gear definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- a gear with teeth designed to mesh with the thread of a worm ()
- a mechanism consisting of this gear and a worm ()
worm gear definition by American Heritage Dictionary
- A gear consisting of a spirally threaded shaft and a wheel with marginal teeth that mesh into it.
- The toothed wheel of this gear; a worm wheel.
worm gear assembly