Hydra Hy"dra, n.; pl. E. {Hydras}, L. {Hydr[ae]}. [L. hydra, Gr. "y`dra; akin to "y`dwr water. See {Otter} the animal, {Water}.] 1. (Class. Myth.) 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. [1913 Webster]

Gorgons, and Hydras, and Chimeras dire. --Milton. [1913 Webster]

2. Hence: A multifarious evil, or an evil having many sources; not to be overcome by a single effort. [1913 Webster]

3. (Zo["o]l.) Any small fresh-water hydroid of the genus {Hydra}, usually found attached to sticks, stones, etc., by a basal sucker. [1913 Webster]

Note: The body is a simple tube, having a mouth at one extremity, surrounded by a circle of tentacles with which it captures its prey. Young hydras bud out from the sides of the older ones, but soon become detached and are then like their parent. Hydras are remarkable for their power of repairing injuries; for if the body be divided in pieces, each piece will grow into a complete hydra, to which fact the name alludes. The zooids or hydranths of marine hydroids are sometimes called hydras. [1913 Webster]

4. (Astron.) A southern constellation of great length lying southerly from Cancer, Leo, and Virgo. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

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  • Hydra — {{Hydra}} »Wasserschlange«, ein Ungeheuer, das von Typhon* und Echidna* abstammte und das Hera* voll Zorn auf Herakles in den Sümpfen von Lerna nährte. Herakles aber tötete es, unterstützt von dem tapferen Iolaos* und von Pallas Athene* (Hesiod,… …   Who's who in der antiken Mythologie

  • hydra — ► NOUN ▪ a minute freshwater invertebrate animal with a stalk like tubular body and a ring of tentacles around the mouth. ORIGIN named after the Hydra of Greek mythology, a many headed snake whose heads regrew as they were cut off: the hydra is… …   English terms dictionary

  • hydra — 1835, genus name of a freshwater polyp, from Gk. Hydra, many headed Lernaean water serpent slain by Hercules (this sense is attested in English from late 14c.), from hydor (gen. hydatos) water (see WATER (Cf. water) (n.1)); related to Skt. udrah… …   Etymology dictionary

  • hydra — {{/stl 13}}{{stl 8}}rz. ż Ia, CMc. hydradrze {{/stl 8}}{{stl 20}} {{/stl 20}}{{stl 12}}1. {{/stl 12}}{{stl 7}} w mitologii greckiej: potwór o wielu głowach natychmiast odrastających po ścięciu, pokonany przez Heraklesa {{/stl 7}}{{stl 20}} {{/stl …   Langenscheidt Polski wyjaśnień

  • Hydra — [hī′drə] n. pl. for 3 & 4 Hydras, Hydrae [hī′drē΄] [ME ydre (< OFr < L), ydra < L Hydra < Gr, water serpent, akin to hydōr, WATER] 1. Gr. Myth. the nine headed serpent slain by Hercules as one of his twelve labors: when any one of its …   English World dictionary

  • Hydra — Hydra, s. Hydroidpolypen …   Kleines Konversations-Lexikon

  • Hydra — steht am 8. Dec. im Elenchus nur mit dem Beisatze »Syenae in Aegypto« …   Vollständiges Heiligen-Lexikon

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