"Hydras" is a word in ENGLISH

A small protuberance on certain low forms of animals and vegetables which develops into a new organism, either free or …

A constellation in the southern heavens between Hydra and the Southern Cross.

A division of Hydroidea including the hydra. See Hydra.

A combining form from Gr. /, /, water (see Hydra).

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

A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one …

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

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

of Hydra

Dipped in the gall of the fabulous hydra; poisonous; deadly.

Having the form or structure of a hydra.

The group of hydroids to which the fresh-water hydras belong.

Related to, or resembling, the hydra; of or pertaining to the Hydroidea.

Having the characteristics of both muscle and epithelium; as, the myoepithelial cells of the hydra.

One of the small green granulelike bodies found in the interior of certain stentors, hydras, and other invertebrates.