Entomology definition of Dash September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Dash Entomology definition of Dash: a short disconnected streak or mark. Dash Entomology explanationDash Entomology meaningEntomology Dash definitionReviews & Comments