Entomology definition of Subtriangular space September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Subtriangular space Entomology definition of Subtriangular space: = internal triangle: see triangle. Entomology Subtriangular space definitionSubtriangular space Entomology explanationSubtriangular space Entomology meaningReviews & Comments