/ Dictionary / Index G gluc-: Meaning and Definition of Find definitions for: gluc- Pronunciation: [key] var. ofbefore a vowel: glucide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Glubb glucagon 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