Definition of "mask" []

• A covering worn on the face to conceal one's identity, as: (noun)
• A covering, as of cloth, that has openings for the eyes, entirely or partly conceals the face, and is worn especially at a masquerade ball. (noun)
• A grotesque or comical representation of a face, worn especially to frighten or amuse, as at Halloween. (noun)
• A facial covering worn for ritual. (noun)
• A figure of a head worn by actors in Greek and Roman drama to identify a character or trait and to amplify the voice. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I hope that Goblin mask is a halluciantion because the thought of someone wearing a mask with rubber teeth for forty years is really disturbing."
• "You realise that the mask is a flame-proof (depending on if you believe the tech specs!) head cover designed to defeat petrol bombs and the like?"
• "Being on such a tight budget, the Michael Meyers mask was purchased at a cheap costume shop; the mask is a Star Trek William Shatner mask painted white with the eye holes expanded."