Entomology definition of Triquetrous September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Triquetrous Entomology definition of Triquetrous: with three flat sides. Entomology Triquetrous definitionTriquetrous Entomology explanationTriquetrous Entomology meaningReviews & Comments