Entomology definition of Basilar cross-vein September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Basilar cross-vein Entomology definition of Basilar cross-vein: Odonata; crosses the basilar space. Basilar cross-vein Entomology explanationBasilar cross-vein Entomology meaningEntomology Basilar cross-vein definitionReviews & Comments