/ Dictionary / Index T trafficator: Meaning and Definition of Find definitions for: traf•fi•ca•tor Pronunciation: (traf'i-kā"tur), [key] — n. Brit. a directional signal on a vehicle for indicating which way it is going to turn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trafficator (Thesaurus) trafficable traffic circle Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language