Entomology definition of Bi-alar September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Bi-alar Entomology definition of Bi-alar: two-winged; applied to Diptera. Bi-alar Entomology explanationBi-alar Entomology meaningEntomology Bi-alar definitionReviews & Comments