Dictionary  glau•co•maPronunciation: (glô-kō'mu, glou-), [key] —n. Ophthalm.abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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