1. (Class. Myth.) A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster. Gorgons, and Hydras, and Chimeras dire. Milton. 2. Hence: A multifarious evil, or an evil having ma...
