Dynastidan
Pronunciation : Dy*nas"ti*dan
Part of Speech : n.
Etymology : [Gr. Dynast. The name alludes to the immense size of some species.] (Zo?l.)
Definition : Defn: One of a group of gigantic, horned beetles, including Dynastus Neptunus, and the Hercules beetle (D. Hercules) of tropical America, which grow to be six inches in length.
Source : Webster's Unabridged Dictionary, 1913