/ Dictionary / Index G gynecology: Meaning and Definition of Find definitions for: gy•ne•col•o•gy Pronunciation: (gī"ni-kol'u-jē, jin"i-, jī"ni-), [key] — n. the branch of medical science that deals with the health maintenance and diseases of women, esp. of the reproductive organs. Abbr.: GYN, gyn Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gynecology (Thesaurus) gynecologist gynecomastia Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language