from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The toothed wheel of a worm gear.

from the GNU version of the Collaborative International Dictionary of English

  • n. a cogwheel having teeth formed to fit into the spiral spaces of a screw called a worm, so that the wheel may be turned by, or may turn, the worm; -- called also worm gear, and sometimes tangent wheel. See Illust. of Worm gearing, above.

from The Century Dictionary and Cyclopedia

  • n. A wheel which gears with an endless or tangent screw or worm, receiving or imparting motion.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. gear with the thread of a worm


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.