/ Dictionary / Index I IATA: Meaning and Definition of Find definitions for: IATA Pronunciation: [key] International Air Transport Association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. IAT iatric Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language