orc /(ôrk)/

orc

n.
  1. Any of several cetaceans, especialy the grampus (Grampus griseus) of the dolphin family. (Zool.)
    An island salt and bare, The haunt of seals, and orcs, and sea-mews' clang.
    — Milton (Par. Lost xi. 835).
  2. A mythical monster of varying descriptions; an ogre. (Mythology)
    Goblins, hobgoblins, and orcs of the worst description.
    — J. J. Tolkien (The Hobbit)
  3. The orca.