Entomology definition of Circinal September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Circinal Entomology definition of Circinal: spirally rolled like a watch-spring or a butterfly tongue. Circinal Entomology explanationCircinal Entomology meaningEntomology Circinal definitionReviews & Comments