Entomology definition of Terrestrial September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Terrestrial Entomology definition of Terrestrial: living on or in the land; opposed to aquatic. Entomology Terrestrial definitionTerrestrial Entomology explanationTerrestrial Entomology meaningReviews & Comments