/ Dictionary / Index G gynecium: Meaning and Definition of Find definitions for: gy•ne•ci•um Pronunciation: ( ji-nē'sē-um, -shē-, gī-, jī-), [key] — pl. -ci•a gynoecium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gynecic gyneco- Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language