Entomology definition of Trito-cerebral segment September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Trito-cerebral segment Entomology definition of Trito-cerebral segment: see second antennal segment. Entomology Trito-cerebral segment definitionTrito-cerebral segment Entomology explanationTrito-cerebral segment Entomology meaningReviews & Comments