Entomology definition of Silaceous September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Silaceous Entomology definition of Silaceous: = ochraceous. Entomology Silaceous definitionSilaceous Entomology explanationSilaceous Entomology meaningReviews & Comments