Entomology definition of Iris September 9, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Iris Entomology definition of Iris: the circle which, in an ocellate spot surrounds the pupil. Entomology Iris definitionIris Entomology explanationIris Entomology meaningReviews & Comments