Definitions for HYDRAˈhaɪ drə; -dri

This page provides all possible meanings and translations of the word HYDRA

Random House Webster's College Dictionary

hy•dra*ˈhaɪ drə; -dri(n.)(pl.)-dras, -drae; -drae

  1. (often cap.) a water monster of Greek myth having nine heads, each of which, if cut off, grew back as two.

    Category: Mythology

  2. any freshwater polyp of the family Hydridae, having a cylindrical body with a ring of tentacles surrounding the mouth.

    Category: Invertebrates

  3. a persistent or complex problem that presents new obstacles even as existing ones are overcome.

  4. (cap.) the Sea Serpent, a southern constellation extending through 90° of the sky.

    Category: Astronomy

* for 4 ..

Origin of hydra:

1325–75; ME ydre < MF < L < Gk hýdrā water serpent; cf. otter

Princeton's WordNet

  1. Hydra(noun)

    (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones

    "Hydra was slain by Hercules"

  2. Hydra, Snake(noun)

    a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer

  3. hydra(noun)

    trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality

    "we may be facing a hydra that defies any easy solution"

  4. hydra(noun)

    small tubular solitary freshwater hydrozoan polyp

Wiktionary

  1. hydra(Noun)

    Any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles.

  2. hydra(Noun)

    A complex, multifarious problem or situation that cannot be solved easily and rapidly.

  3. Hydra(ProperNoun)

    A mythological serpent with seven heads, slain by Hercules as one of his twelve labours. Also called the Lernaean Hydra.

  4. Hydra(ProperNoun)

    A spring constellation of the northern sky, said to resemble a serpent. It lies just south of the zodiac and contains the star Alphard.

  5. Hydra(ProperNoun)

    The name of one of Pluto's moons. (Named 21 June 2006).

  6. Origin: From Hydra, the mythical serpent, originally from Ὕδρα.

Webster Dictionary

  1. Hydra(noun)

    a serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster

  2. Hydra(noun)

    hence: A multifarious evil, or an evil having many sources; not to be overcome by a single effort

  3. Hydra(noun)

    any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker

  4. Hydra(noun)

    a southern constellation of great length lying southerly from Cancer, Leo, and Virgo

Freebase

  1. HYDRA

    HYDRA is a fictional terrorist organization in Marvel Comics. Despite the name's capitalization per Marvel's official spelling, the name is not an acronym but rather a reference to the mythical Lernaean Hydra. The organization's motto references the myth of the Hydra, stating that "if a head is cut off, two more will take its place" proclaiming their resilience and growing strength in the face of resistance. HYDRA agents often wear distinctive green garb featuring a serpent motif.

U.S. National Library of Medicine

  1. Hydra

    A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.

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