Definition:
- (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.
- (n.) Hence: A multifarious evil, or an evil having many sources; not to be overcome by a single effort.
- (n.) Any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker.
- (n.) A southern constellation of great length lying southerly from Cancer, Leo, and Virgo.
Compare hydra with other words:
hydra vs. hydria
aqua vs. hydra
draco vs. hydra
cnidarian vs. hydra
gemma vs. hydra
hydra vs. hydrus
hydra vs. hydrae
hydra vs. pluto
hydra vs. zodiac
hydra vs. northern
constellation vs. hydra
hydra vs. spring
hydra vs. labour
head vs. hydra
hercules vs. hydra
hydra vs. serpent
hydra vs. mythological
crater vs. hydra
hydra vs. testis
hydra vs. octopus
hydra vs. multifarious
hydra vs. tentacle
complex vs. hydra
hydra vs. oral
cylindrical vs. hydra
hydra vs. polyp