noun🔗ShareAny of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles."The science student peered through the microscope at the hydra, noting its cylindrical body and the tentacles waving around its mouth. "animalorganismbiologynatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA dragon-like creature with many heads and the ability to regrow them when maimed."The mythical hydra was a fearsome monster; if you cut off one of its heads, two more would grow back. "mythologyanimalChat with AIVocabulary GamePractice Reading
noun🔗ShareA complex, multifarious problem or situation that cannot be solved easily and rapidly."Dealing with the bureaucratic paperwork for my visa felt like fighting a hydra; every time I completed one form, two more seemed to appear. "situationChat with AIVocabulary GamePractice Reading