from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a system of gears that has a central gear wheel around which others rotate, often within an outer ring
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an outer gear that revolves about a central sun gear of an epicyclic train
Sorry, no etymologies found.
Sorry, no example sentences found.