1.Greek Mythology The many-headed monster that was slain by Hercules. 2. A constellation in the equatorial region of the southern sky near Cancer, Libra, and Centaurus. Also called Snake2. 3. A persistent or multifaceted problem that cannot be eradicated by a single effort.
ETYMOLOGY:
Middle English Idra, from Latin Hydra, from Greek Hudr, Hydra, a water serpent. See wed-1 in Appendix I.
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dr
, Hydra, a water serpent. See wed-1 in Appendix I.
