Meaning of orc

orc

Pronunciation: (ôrk), [key]
— n.
  1. any of several cetaceans, as a grampus.
  2. a mythical monster, as an ogre.

O.R.C.

Pronunciation: [key]
  1. Officers' Reserve Corps.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.