Hydra - English meaning

noun

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

Usage examples:

The phylum cnidaria includes such diverse forms as jellyfish, hydra, sea anemones, and corals.

noun

A thing that is hard to overcome or resist because of its pervasive or enduring quality or its many aspects.

Usage examples:

His battle with the hydra of bureaucracy

proper noun

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

proper noun

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.

adjective

Used with preceding greek letter or numeral to designate a star in the hydra constellation.

Usage examples:

The star beta hydrae

noun

In ancient greek stories, a creature with many heads that grew again when cut off