/ Dictionary / Index G GLB: Meaning and Definition of Find definitions for: GLB Pronunciation: [key] gay, lesbian, bisexual. glb Pronunciation: [key] — Math. Math. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Glazunov Gld. Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language