Entomology definition of Antennal segment September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Antennal segment Entomology definition of Antennal segment: the second or deutocerebral segment of head. Antennal segment Entomology explanationAntennal segment Entomology meaningEntomology Antennal segment definitionReviews & Comments