Entomology definition of Cusp -is September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Cusp -is Entomology definition of Cusp -is: a pointed process; sometimes at the margin of a wing. Cusp -is Entomology explanationCusp -is Entomology meaningEntomology Cusp -is definitionReviews & Comments