/ Dictionary / Index T trijet: Meaning and Definition of Find definitions for: tri•jet Pronunciation: (trī'jet"), [key] — n. an airplane powered by three jet engines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triiodothyronine trijugate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language