Entomology definition of Caterpillar September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Caterpillar Entomology definition of Caterpillar: the term applied to the larvae of Lepidoptera. Caterpillar Entomology explanationCaterpillar Entomology meaningEntomology Caterpillar definitionReviews & Comments