Hydra

noun

Hy·dra | \ ˈhī-drə

How to pronounce Hydra (audio)

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Definition of Hydra

(Entry 1 of 2)

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

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 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

Hydra

geographical name

Hy·dra | \ ˈhī-drə

How to pronounce Hydra (audio)

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variants: or Modern Greek Ídhra \ ˈēt͟h-rä

How to pronounce Ídhra (audio)

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Definition of Hydra (Entry 2 of 2)

island of Greece in the southern Aegean Sea off the east coast of the Peloponnese area 20 square miles (52 square kilometers), population 2794

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The first known use of Hydra was in the 15th century

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hydra

noun

hy·dra | \ ˈhī-drə

\

Medical Definition of hydra

: 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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supersede

to take the place or position of

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