/ Dictionary / Index A air traffic: Meaning and Definition of Find definitions for: air' traf"fic Pronunciation: [key] aircraft moving in flight or on airport runways. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air-to-surface air-traffic control Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language