Entomology definition of Trochus September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Trochus Entomology definition of Trochus: that part of an articulated body inserted between the joints. Entomology Trochus definitionTrochus Entomology explanationTrochus Entomology meaningReviews & Comments