/ Dictionary / Index G gymnasium: Meaning and Definition of Find definitions for: gym•na•si•um Pronunciation: ( jim-nā'zē-um), [key] — pl. -si•ums, -si•a a building or room designed and equipped for indoor sports, exercise, or physical education. a place where Greek youths met for exercise and discussion. gym•na•si•um Pronunciation: (gim•nä'zē•um), [key] — pl. -si•ums, -si•a (often cap.) (in continental Europe, esp. Germany) a classical school preparatory to the universities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gymnasium (Thesaurus) gymnasiast gymnast 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