/ Dictionary / Index K keratinous: Meaning and Definition of Find definitions for: ke•rat•i•nous Pronunciation: (ku-rat'n-us), [key] — adj. composed of or resembling keratin; horny. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. keratinize keratitis Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language