/ Dictionary / Index C corticosteroid: Meaning and Definition of Find definitions for: cor•ti•co•ster•oid Pronunciation: (kôr"tu-kō-ster'oid, -stēr'-), [key] — n. Biochem. any of a class of steroids, as aldosterone, hydrocortisone, or cortisone, occurring in nature, esp. as a product of the adrenal cortex, or synthesized. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: corticosteroid (Thesaurus) corticolous corticosterone Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language