/ Dictionary / Index R retrorse: Meaning and Definition of Find definitions for: re•trorse Pronunciation: (ri-trôrs', rē'trôrs), [key] — adj. turned backward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: retrorse (Thesaurus) retrorocket retroserrate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language