Entomology definition of Trachea -ae September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Trachea -ae Entomology definition of Trachea -ae: the spirally ringed breathing tube or tubes of insects. Entomology Trachea -ae definitionTrachea -ae Entomology explanationTrachea -ae Entomology meaningReviews & Comments