Index of English words, starting with "tr"

(1) - Trachea (n.) One of the large cells in woody tissue which have spiral, annular, or other markings, and are connected longitudinally so as to form continuous ducts.
(2) - Trachea (n.) One of the respiratory tubes of insects and arachnids.
(3) - Trachea (n.) The windpipe. See Illust. of Lung.

(1) - Tracheate (n.) Any arthropod having tracheae; one of the Tracheata.
(2) - Tracheate (a.) Breathing by means of tracheae; of or pertaining to the Tracheata.

(1) - Tracheid (n.) A wood cell with spiral or other markings and closed throughout, as in pine wood.