Look up: hydra

1. Hydra
   a mythical being with nine serpent heads that when cut off were replaced by two more heads; this monster was destroyed by Herakles.
   Found on http://ablemedia.com/ctcweb/glossary/glo
   
   
2. hydra
   [n] - (Greek mythology) monster with nine heads 2. [n] - a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer 3. [n] - small tubular solitary freshwater hydrozoan polyp
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Hydra
   English name: The Water-Snake. Genitive name: Hydrae. Visibility: Visible from the UK See TABLE 20: THE CONSTELLATIONS.
   Found on http://www.delscope.demon.co.uk/astronom
   
   
4. Hydra
   (In topic `Tools, Methods & Processes`) Hydra is a tool designed to provide companies with a Programme Management solution.  It is developed by Hydra Development Corporation, headquartered in the UK, which defines Programme Management as ‘the co-ordinated support, planning, prioritisation a...
   Found on http://www.it-architects.co.uk/a_-_z_glo
   
   
5. Hydra
   In Greek mythology, a huge monster with nine heads. If one were cut off, two would grow in its place. One of the 12 labours of Heracles was to kill it. ...
   Found on http://www.encyclo.co.uk/local/20688
   
   
6. Hydra
   Genus of freshwater coelenterates (Cnidaria). They are small, solitary and only exist in the polyp form, which is a radially-symmetrical cylinder that is attached to the substratum at one end and has a mouth surrounded by tentacles at the other. They have considerable powers of regeneration and have been used in studies on positional information in morphogenesis.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
7. Hydra
   Hy'dra noun ; plural English Hydras , Latin Hydræ . [ Latin hydra , Greek 'y`dra ; akin to 'y`dwr water. See Otter the animal, Water .] 1. (Class. Myth.) A serpent or mo...
   Found on http://www.encyclo.co.uk/webster/H/74
   
   
8. Hydra
   <organism> Genus of freshwater coelenterates (cnidarians). They are small, solitary and only exist in the polyp form, which is a radially symmetrical cylinder that is attached to the substratum at one end and has a mouth surrounded by tentacles at the other. They have considerable powers of re...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
9. hydra
   noun small tubular solitary freshwater hydrozoan polyp
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
10. 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`
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
11. Hydra
    • (n.) Any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker. • (n.) 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 succeede...
    Found on http://thinkexist.com/dictionary/meaning
    
    
12. Hydra
    island of the Saronic group in the Aegean Sea, Attica nomós (department), Greece. It lies just off the eastern tip of the Argolís peninsula of the ...
    Found on http://www.britannica.com/eb/a-z/h/87
    
    
13. Hydra
    in Greek legend, the offspring of Typhon and Echidna (according to the early Greek poet Hesiod`s Theogeny), a gigantic monster with nine heads (the ... [1 related articles]
    Found on http://www.britannica.com/eb/a-z/h/87
    
    
14. Hydra
    genus of invertebrate freshwater animals of the class Hydrozoa (phylum Cnidaria). The body of such an organism consists of a thin, usually ... [10 related articles]
    Found on http://www.britannica.com/eb/a-z/h/87
    
    
15. Hydra
    The Hydra was a Dutch mine layer of 593 tons displacement launched in 1911 and sunk in action with German aircraft in the Zuider Zee in May 1940 during the invasion of Holland during the Second World War. The Hydra was powered by coal fired engines providing a top speed of 12 knots and a range of 23...
    Found on http://www.probertencyclopaedia.com/brow
    
    
16. Hydra
    Hydra is a cultivated variety of potato.
    Found on http://www.probertencyclopaedia.com/brow
    
    
17. Hydra
    Hydra, in astronomy, southern constellation lying S of Corvus, Crater, Virgo, Leo, and Cancer. It is a long, slender, winding constellation traditionally depicted as a snake and known also as the Water Monster or Sea Serpent. The only bright star in the constellation is Alphard (Alpha Hydrae); it is...
    Found on http://www.infoplease.com/ce6/sci/A08246
    
    
18. Hydra
    Hydra, in Greek mythology, many-headed water serpent; offspring of Typhon and Echidna. When one of its heads was cut off, two new heads appeared. The second labor of Hercules was to kill the monster. He did so by burning the neck after cutting off each head.
    Found on http://www.infoplease.com/ce6/ent/A08246
    
    
19. Hydra
    Hydra, Greece: see Ídhra.
    Found on http://www.infoplease.com/ce6/world/A091
    
    
20. hydra
    hydra (hī'dru) , common name for freshwater organisms in the phylum Cnidaria, which includes jellyfish, sea anemones, and corals. Hydras are widely distributed in lakes, ponds, and sluggish streams. They are small, cylindrical, solitary organisms, the largest reaching about 1 in. (2.5 cm) ...
    Found on http://www.infoplease.com/ce6/sci/A08246
    
    
21. Hydra
    The hydra is of the order Hydrida.
    Found on http://www.probertencyclopaedia.com/brow
    
    
22. Hydra
    In Greek mythology, the Hydra was a huge monster with nine heads. If one were cut off, two would grow in its place. One of the 12 labours of Hercules was to kill it.
    Found on http://www.probertencyclopaedia.com/brow
    
    
23. Hydra
    (mythology) In Greek mythology, a huge monster with nine heads. If one were cut off, two would grow in its place. One of the 12 labours of Heracles was to kill it
    Found on http://www.talktalk.co.uk/reference/ency
    
    
24. Hydra
    (astronomy) In astronomy, the largest constellation, winding across more than a quarter of the sky between Cancer and Libra in the southern hemisphere. Hydra is named after the multi-headed sea serpent slain by Hercules. Despite its size, it is not prominent; its brightest star is seco...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
25. hydra
    (zoology) In zoology, any of a group of freshwater polyps, belonging among the coelenterates. The body is a double-layered tube (with six to ten hollow tentacles around the mouth), 1.25 cm/0.5 in long when extended, but capable of contracting to a small knob. Usually fixed to waterweed...
    Found on http://www.talktalk.co.uk/reference/ency