noun Download 🔗Share 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. Examples : "The science student peered through the microscope at the hydra, noting its cylindrical body and the tentacles waving around its mouth. " animal organism biology nature Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A dragon-like creature with many heads and the ability to regrow them when maimed. Examples : "The mythical hydra was a fearsome monster; if you cut off one of its heads, two more would grow back. " mythology animal Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A complex, multifarious problem or situation that cannot be solved easily and rapidly. Examples : "Dealing with the bureaucratic paperwork for my visa felt like fighting a hydra; every time I completed one form, two more seemed to appear. " situation Chat with AIVocabulary GamePractice Reading