01 n. One of a group of gigantic, horned beetles, including Dynastus Neptunus, and the Hercules beetle (Dynastus Hercules) of tropical America, w…
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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.(Zool.)