Orcus definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- the lower world; Hades
- Pluto, or Dis
Orcus definition by American Heritage Dictionary
noun Roman Mythology
- The world of the dead; Hades.
- Pluto, the god of the underworld.