/ Dictionary / Index G glycoside: Meaning and Definition of Find definitions for: gly•co•side Pronunciation: (glī'ku-sīd"), [key] — n. Biochem. any of the class of compounds that yield a sugar and an aglycon upon hydrolysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glycoside (Thesaurus) glycosaminoglycan glycosuria 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