/ Dictionary / Index R retrobulbar: Meaning and Definition of Find definitions for: ret•ro•bul•bar Pronunciation: (re"trō-bul'bur, -bär), [key] — adj. Anat. situated behind the eyeball. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. retroactive retrocede Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language