Entomology definition of Sinuous September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Sinuous Entomology definition of Sinuous: undulating; curved in and out. Entomology Sinuous definitionSinuous Entomology explanationSinuous Entomology meaningReviews & Comments