Definition of: hydra

(hī′drə) noun plural ·dras or ·drae (-drē)
1. Any evil having many forms.
2. A fresh–water polyp (genus Hydra). [<Gk. hydra water serpent]

Definition of: Hydra

(hī′drə)
1. In Greek mythology, the nine–headed serpent of Lerna, which grew two heads for each one that was cut off: slain by Hercules with a firebrand.
2. Astron. A southern constellation. See CONSTELLATION.

Most often used phrases:

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Statistical data

"hydra" has the frequency of use of 0.0002% on en.wikipedia.org.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z