/ Dictionary / Index T traffic engineering: Meaning and Definition of Find definitions for: traf'fic engineer"ing Pronunciation: [key] a branch of civil engineering concerned with the design and construction of streets and roads that will best facilitate traffic movement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. traffic court traffic island Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language