/ Dictionary / Index G glaucoma: Meaning and Definition of Find definitions for: glau•co•ma Pronunciation: (glô-kō'mu, glou-), [key] — n. abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drainsor by pressure of the iris against the lens, which traps the aqueous humor Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glaucoma (Thesaurus) glaucodot glauconite Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language