/ Dictionary / Index G glycoprotein: Meaning and Definition of Find definitions for: gly•co•pro•tein Pronunciation: (glī"kō-prō'tēn, -tē-in), [key] — n. Biochem. any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glycoprotein (Thesaurus) glyconic acid glycosaminoglycan Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language