/ Dictionary / Index K keratoscope: Meaning and Definition of Find definitions for: ker•a•to•scope Pronunciation: (ker'u-tu-skōp"), [key] — n. Ophthalm. an instrument, as Placido's disk, for determining the symmetry of the curvature of the cornea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: keratoscope (Thesaurus) keratoplasty keratose Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language