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Hydra

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noun Hy·dra \ˈhī-drə\

Definition of Hydra

  1. 1 :  a many-headed serpent or monster in Greek mythology that was slain by Hercules and each head of which when cut off was replaced by two others

  2. 2 not capitalized :  a multifarious evil not to be overcome by a single effort

  3. 3 [Latin (genitive Hydrae), from Greek] :  a southern constellation of great length that lies south of Cancer, Sextans, Corvus, and Virgo and is represented on old maps by a serpent

  4. 4 not capitalized [New Latin, from Latin, Hydra] :  any of numerous small tubular freshwater hydrozoan polyps (Hydra and related genera) having at one end a mouth surrounded by tentacles



Origin and Etymology of hydra

Middle English Ydra, from Latin Hydra, from Greek


First Known Use: 15th century


Hydra

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geographical name Hy·dra \ˈhī-drə\

Definition of Hydra

  1. island Greece in S Aegean Sea off E coast of Peloponnese area 20 square miles (52 square kilometers), pop 2794

Hydriot

play \ˈhī-drē-ət, -drē-ˌät\ or

Hydriote

play \-ˌōt, -ət\ noun


Variants of hydra

or ModGk

Ídhra

play \ˈēth-rä\

Medical Dictionary

hydra

play
noun hy·dra \ˈhī-drə\

Medical Definition of hydra

  1. :  any of numerous small tubular freshwater hydrozoan polyps (Hydra and related genera) having at one end a mouth surrounded by tentacles




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