/ Dictionary / Index G galact-: Meaning and Definition of Find definitions for: galact- Pronunciation: [key] var. ofbefore a vowel: galactagogue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. galabia galactan Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language