/ Dictionary / Index G gonioscope: Meaning and Definition of Find definitions for: go•ni•o•scope Pronunciation: (gō"nē-u-skōp"), [key] — n. an optical instrument used for measuring the angle of the anterior chamber of the eye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gonion gonium Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language