Entomology definition of Tri-articulate September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Tri-articulate Entomology definition of Tri-articulate: composed of three joints or articles. Entomology Tri-articulate definitionTri-articulate Entomology explanationTri-articulate Entomology meaningReviews & Comments