Entomology definition of Semicircular September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Semicircular Entomology definition of Semicircular: like the half of a circle. Entomology Semicircular definitionSemicircular Entomology explanationSemicircular Entomology meaningReviews & Comments