/ Dictionary / Index G glucosan: Meaning and Definition of Find definitions for: glu•co•san Pronunciation: (gl'ku-san"), [key] — n. Biochem. any of a number of polysaccharides that yield glucose upon hydrolysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glucosamine glucose Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language