Entomology definition of Branchiae September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Branchiae Entomology definition of Branchiae: air tubes or gill-like processes of aquatic larva;. Branchiae Entomology explanationBranchiae Entomology meaningEntomology Branchiae definitionReviews & Comments