Definition of "lip" []

• Anatomy Either of two fleshy folds that surround the opening of the mouth. (noun)
• A structure or part that encircles or bounds an orifice, as: (noun)
• Anatomy A labium. (noun)
• The margin of flesh around a wound. (noun)
• Either of the margins of the aperture of a gastropod shell. (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.

• "A cleft lip (or ‘hare lip’) is an opening or gap in the upper lip, often connecting to the nostril."
• "The drinking-horn goes round from shadowy lip to lip—"
• "A lip -- _a lip_ -- and 'what a deal of scorn looks beautiful on it,' when once you get to see it."