/ Dictionary / Index C corium: Meaning and Definition of Find definitions for: co•ri•um Pronunciation: (kôr'ē-um, kōr'-), [key] — pl. co•ri•a dermis. the thickened, leathery, basal portion of a hemelytron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: corium (Thesaurus) corita Corizza Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language