from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a wheel with a toothed rim, intended to engage with others, or similar equipment, to form a gear

from the GNU version of the Collaborative International Dictionary of English

  • n. any cogwheel.

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

  • n. a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion


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