/ Dictionary / Index T tracheobronchial: Meaning and Definition of Find definitions for: tra•che•o•bron•chi•al Pronunciation: (trā"kē-ō-brong'kē-ul), [key] — adj. Anat. of, pertaining to, or affecting the trachea and bronchi. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tracheo- tracheole Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language