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
Sorry, no etymologies found.