/ Dictionary / Index A air-traffic control: Meaning and Definition of Find definitions for: air'-traf"fic control" Pronunciation: (âr'traf"ik), [key] a government service that facilitates the safe and orderly movement of aircraft within and between airports by receiving and processing data from radar and devices that monitor local weather conditions and by maintaining radio contact with pilots. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air traffic air train Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language