Entomology definition of Pouch September 12, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Pouch Entomology definition of Pouch: in Trichoptera, a depressed, usually longitudinal area in a wing. Entomology Pouch definitionPouch Entomology explanationPouch Entomology meaningReviews & Comments