Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Greek Mythology The many-headed monster that was slain by Hercules.
  • n. A constellation in the equatorial region of the southern sky near Cancer, Libra, and Centaurus. Also called Snake2.
  • n. A persistent or multifaceted problem that cannot be eradicated by a single effort.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A taxonomic genus within the family Hydridae — predatory freshwater cnidarians, thought not to age, the hydras.
  • proper n. A mythological serpent with seven heads, slain by Hercules as one of his twelve labours. Also called the Lernaean Hydra.
  • proper n. A spring constellation of the northern sky, said to resemble a serpent. It lies just south of the zodiac and contains the star Alphard.
  • proper n. The name of one of Pluto's moons. (Named 21 June 2006).

Etymologies

Middle English Idra, from Latin Hydra, from Greek Hudrā, Hydra, a water serpent.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin Hydra, the mythical serpent. (Wiktionary)
From Latin Hydra, the mythical serpent, originally from Ancient Greek Ὕδρα. (Wiktionary)

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.