Definition of "mustache" []

• The hair growing on the human upper lip, especially when cultivated and groomed. (noun)
• Something similar to the cultivated, groomed hair on the human upper lip, as: (noun)
• A group of bristles or hairs about the mouth of an animal. (noun)
• Distinctive coloring or feathers near the beak of a bird. (noun)
• Food or drink sticking conspicuously to the upper lip: wiped the milk mustache from my face. (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.

• "Speaking of boots, Thon muffed his fair share of ground balls as a journeyman middle infielder, but on this squad his mustache is an all-star."
• "I said, twirling my mustache is a Snidely Whiplash fashion."
• "Cito Gaston may be underappreciated, but his mustache is not."