hydra

IPA: hˈaɪdrʌ

Any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles.
(fantasy) A dragon-like creature with many heads and the ability to regrow them when maimed.
A complex, multifarious problem or situation that cannot be solved easily and rapidly.
(Greek mythology) A mythological serpent with many heads, slain by Hercules as one of his twelve labours.
(astronomy) A spring constellation of the northern sky, said to resemble a serpent. It lies just south of the zodiac and contains the star Alphard.
(astronomy) One of Pluto's moons.
One of the Saronic Islands in the Aegean Sea.
(geography) A commune in Algiers Province, Algeria.

Examples of "hydra" in Sentences

The hydra is a mythical creature from Greek mythology with many heads
The biologists were fascinated by the regenerative abilities of the hydra
The hydra's venom can be deadly to its prey
The hydra's heads can work together in perfect synchronization to capture their food
The hydra's ability to survive in harsh conditions makes it a formidable predator