tra·che·ary I. \ˈtrākēˌerē\adjective Etymology:trache- + -ary 1.: breathing by means of tracheae 2.: of, relating to, made up of, or being plant tracheae < tracheary tissue > < a tracheary element > II. noun (-es) Etymology: New Latin Trachearia : a member of the division Trachearia : an arachnid that lacks book lungs