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

  • n. One of the small gear wheels in an epicyclic train.

from the GNU version of the Collaborative International Dictionary of English

  • n. a gear wheel which revolves around the wheel with which it meshes, in an epicyclic train.

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.


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