Entomology definition of Insect September 9, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Insect Entomology definition of Insect: a member of the class Insecta strictly limited. Entomology Insect definitionInsect Entomology explanationInsect Entomology meaningReviews & Comments