Hydra

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

2 a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer [syn: Snake]

3 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 small tubular solitary freshwater hydrozoan polyp

English

Pronunciation

• , /ˈhaɪdrə/, /"haIdr@/

Noun

1. 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.

Translations

Latin

Pronunciation

• /ˈhʏːd.ra/

Noun

(masculine hydrus)

1. A water-snake.

Related terms

• Hydra
• hydrus

Hydra may refer to:

• Lernaean Hydra, a mythological many-headed serpent
• hydra-, an alternate spelling of the suffix hydro-, referring to water.

It may also refer to:

In science

• Hydra (constellation), the largest of the modern star constellations.
• Hydra (moon), the third moon of the dwarf planet Pluto.
• Hydra (genus), a genus of simple fresh-water animals of the class Hydrozoa.
• Hydra-Centaurus Supercluster, a supercluster of galaxies.

In technology

• Hydra (chess), a chess computer.
• Hydra (operating system).
• Hydra (software), a software used to test weak computer network passwords.
• HYDRA Game Development Kit, a retro games development system, by André LaMothe.
• HMS Hydra, the name of several Royal Navy vessels.
• Hydra, a hydrogen ship.
• Hydra 70, an air-to-ground rocket.
• Hydra Project (EU Project), EU funded research project.

In society

• Hydra, Saronic Islands, a Greek island.
• Hydra, a city in Algeria.
• The Hydra, a literary magazine once edited by Wilfred Owen.
• Hydra: The Revenge, a roller coaster at Dorney Park.

In music

• Hydra Entertainment, hip hop record label.
• Hydra Head Records, an independent record label.
• Hydra (Iris Album) , an album by Synthpop band, Iris.
• Hydra (album), an album by Toto.
• Hydra (band), a Southern Rock band.
• Hydra (Satariel album), an album by Satariel.

In fiction

• HYDRA, a secret criminal organization in the Marvel Universe.
  • …led by Viper (Madame Hydra), a Marvel supervillian, and enemy of the Avengers.
• Hydra (Transformers), one of several Transformers characters.
• The Hydra, a Cthulhu Mythos deity created by Henry Kuttner.
  • Mother Hydra, co-ruler of the Deep One race and consort of Father Dagon in the fictional Cthulhu mythos.
• The Hydra flak tank in the Warhammer 40,000 universe.
• Hydra, a DHARMA Initiative station on the TV series Lost.

Other

Hydra may also be used for:

• Hydra, a performance-based CPA advertising affiliate network.
• Hydra e.V., a German prostitutes' organization, see German Hydra e.V. Wikipedia article.