/ Dictionary / Index R retroreflector: Meaning and Definition of Find definitions for: ret•ro•re•flec•tor Pronunciation: (re"trō-ri-flek'tur), [key] — n. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. retroreflective retrorocket Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language