1540s, from M.E. garce (early 13c.), from O.N.Fr. garser "to scarify, cut, slash," apparently from V.L. *charassare, from Gk. kharassein "engrave." Loss of -r- is characteristic (see bass, bust, etc.). Slang use for "vulva" dates to mid-1700s.
n. the female genitals; the vulva. (Usually objectionable.) : He thought he could see her gash through her swimming suit.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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