/ Dictionary / Index T tracheal: Meaning and Definition of Find definitions for: tra•che•al Pronunciation: (trā'kē-ulor, esp. Brit.,tru-kē'ul), [key] — adj. pertaining to or connected with the trachea or tracheae. of the nature of or composed of tracheae or vessels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tracheal (Thesaurus) trachea tracheate Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language