/ Dictionary / Index T turbo-propeller engine: Meaning and Definition of Find definitions for: tur'bo-pro•pel•ler en"gine Pronunciation: (tûr'bō-pru-pel"ur), [key] — Aeron. Aeron. a jet engine with a turbine-driven propeller that produces the principal thrust, augmented by the thrust of the jet exhaust. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. turboprop turbopump Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language