Entomology definition of Secondaries September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Secondaries Entomology definition of Secondaries: the hind wings; always attached to the meta-thorax. Entomology Secondaries definitionSecondaries Entomology explanationSecondaries Entomology meaningReviews & Comments