Entomology definition of Flange September 8, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Flange Entomology definition of Flange: a projecting rim or edge. Entomology Flange definitionFlange Entomology explanationFlange Entomology meaningReviews & Comments