Entomology definition of Declinate -us September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Declinate -us Entomology definition of Declinate -us: a part somewhat bent, the apex downward. Declinate -us Entomology explanationDeclinate -us Entomology meaningEntomology Declinate -us definitionReviews & Comments