Entomology definition of Serum September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Serum Entomology definition of Serum: the fluid in which the blood corpuscles float or are suspended. Entomology Serum definitionSerum Entomology explanationSerum Entomology meaningReviews & Comments