Entomology definition of Frontal September 8, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Frontal Entomology definition of Frontal: referring to the front of head or anterior aspect of any part. Entomology Frontal definitionFrontal Entomology explanationFrontal Entomology meaningReviews & Comments