Index of English words, starting with "hy"

(1) - Hydatid (n.) A membranous sac or bladder filled with a pellucid fluid, found in various parts of the bodies of animals, but unconnected with the tissues. It is usually formed by parasitic worms, esp. by larval tapeworms, as Echinococcus and Coenurus. See these words in the Vocabulary.

(1) - Hydra (n.) A southern constellation of great length lying southerly from Cancer, Leo, and Virgo.
(2) - Hydra (n.) Any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker.
(3) - Hydra (n.) Hence: A multifarious evil, or an evil having many sources; not to be overcome by a single effort.
(4) - Hydra (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 succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster.