/ Dictionary / Index R red-light district: Meaning and Definition of Find definitions for: red'-light' dis"trict Pronunciation: [key] an area or district in a city in which many houses of prostitution are located. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. red light red line Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language