/ Dictionary / Index T traffic cop: Meaning and Definition of Find definitions for: traf'fic cop" Pronunciation: [key] — Informal. Informal. a police officer who directs the flow of traffic, usually at an intersection. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. traffic circle traffic court Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language