Entomology definition of Bombycinous September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Bombycinous Entomology definition of Bombycinous: a very pale yellow like fresh spun silk. Bombycinous Entomology explanationBombycinous Entomology meaningEntomology Bombycinous definitionReviews & Comments