Entomology definition of Mesad September 9, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Mesad Entomology definition of Mesad: extending or directed toward the median plane. Entomology Mesad definitionMesad Entomology explanationMesad Entomology meaningReviews & Comments