/ Dictionary / Index J jetavator: Meaning and Definition of Find definitions for: jet•a•va•tor Pronunciation: ( jet'u-vā"tur), [key] — n. Rocketry. an extension of the exhaust nozzle of a rocket, for controlling the direction of the exhaust gases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jet airplane jetbead 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