/ Dictionary / Index P propjet: Meaning and Definition of Find definitions for: prop•jet Pronunciation: (prop'jet"), [key] — n. Aeron. an airplane equipped with turboprops. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: propjet (Thesaurus) propitious propjet engine Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language