Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Medieval Legend a Trojan woman who is unfaithful to her lover, Troilus
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A Trojan woman in medieval romances who first returns the love of Troilus but later forsakes him for Diomedes.
- The satellite of Uranus that is fourth in distance from the planet.