"Hydra" example sentences

hy·dra

noun

hydra (noun) · hydras (plural noun)

- a minute freshwater coelenterate with a tubular body and a ring of tentacles around the mouth.

Hy·dra

definition

hydra (noun) · hydras (plural noun)

- a many-headed snake whose heads grew again as they were cut off, eventually killed by Hercules.

- the largest constellation (the Water Snake or Sea Monster), said to represent the beast slain by Hercules. Its few bright stars are close to the celestial equator. Compare with Hydrus

- a thing that is hard to overcome or resist because of its pervasive or enduring quality or its many aspects:

- used with preceding Greek letter or numeral to designate a star in the Hydra constellation:

Synonyms

Hydrus