"Lip" as a noun meaning "one of the two sides of the mouth" comes from Old Englishlippa, meaning the same thing, though others claim that it comes from the Latin labium, again meaning the same thing; the meaning "the edge of a cup" appears in the 1590s, and "saucy talk" is from 1821. The verb form, meaning "to kiss" appears around 1600, while the meaning "to pronounce with the lips only" is from 1789. The OED lists 31 different meanings for the word - 18 noun meanings and 13 verb meanings. An obsolete Middle English usage of the verb means "to cut off the head of an animal; to prune or shear." The earliest use of the verb is in 1475 in Avowing of King Arthur. Links.NightCafe Image Source