Entomology definition of Coriaceous September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Coriaceous Entomology definition of Coriaceous: leather-like: thick, tough and somewhat rigid. Coriaceous Entomology explanationCoriaceous Entomology meaningEntomology Coriaceous definitionReviews & Comments