Entry 2 senses · 2 variants Webster, 1913 Tracheate · Tra·che·ate · IPA a. n. 01 a. Breathing by means of tracheae; of or pertaining to the Tracheata. 1. Breathing by means of tracheae; of or pertaining to the Tracheata.(Zool.) 02 n. Any arthropod having tracheae; one of the Tracheata. 1. Any arthropod having tracheae; one of the Tracheata.(Zool.)