The Collaborative International Dictionary of English v.0.48:
Tracheate \Tra"che*ate\, a. (Zool.) Breathing by means of tracheae; of or pertaining to the Tracheata. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Tracheate \Tra"che*ate\, n. (Zool.) Any arthropod having tracheae; one of the Tracheata. [1913 Webster]