from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having many facets or aspects, especially difficult or intractable ones: a hydra-headed social problem.
from The Century Dictionary and Cyclopedia
- Having numerous heads, like the Lernæan Hydra; hence, difficult of extirpation; self-renewing; springing up again after suppression, as abuses, vices, and the like.
Sorry, no etymologies found.