'Hercules beetle' definitions:
Definition of 'Hercules beetle'
From: GCIDE
- Dynastidan \Dy*nas"ti*dan\, n. [Gr. ?, fem. of ?. See Dynast. The name alludes to the immense size of some species.] (Zool.) One of a group of gigantic, horned beetles, including Dynastus Neptunus, and the Hercules beetle ({Dynastus Hercules}) of tropical America, which grow to be six inches in length. [1913 Webster]