/ Dictionary / Index I iridotomy: Meaning and Definition of Find definitions for: ir•i•dot•o•my Pronunciation: (ir"i-dot'u-mē, ī"ri-), [key] — pl. -mies. incision of the iris, esp. for the formation of an artificial pupil by transverse division of fibers of the iris. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: iridotomy (Thesaurus) iridosmine iridous Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language