Entomology definition of Platelet September 12, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Platelet Entomology definition of Platelet: a little plate or sclerite of chitin in a membrane. Entomology Platelet definitionPlatelet Entomology explanationPlatelet Entomology meaningReviews & Comments