Entomology definition of Fissus September 8, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Fissus Entomology definition of Fissus: cleft: longitudinally divided nearly to base. Entomology Fissus definitionFissus Entomology explanationFissus Entomology meaningReviews & Comments