/ Dictionary / Index A air turbine: Meaning and Definition of Find definitions for: air' tur"bine Pronunciation: [key] a turbine operated by air under pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air trap air twist Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language