/ Dictionary / Index G glabellum: Meaning and Definition of Find definitions for: gla•bel•lum Pronunciation: (glu-bel'um), [key] — pl. -bel•la glabella. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glabella Glaber 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