Entomology definition of Discus September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Discus Entomology definition of Discus: a disc; a somewhat flat circular part or area. Discus Entomology explanationDiscus Entomology meaningEntomology Discus definitionReviews & Comments