English dictionary



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English noun: Hydra

1. Hydra (person) (Greek mythology) monster with nine heads; when struck off each head was replaced by two new ones


SamplesHydra was slain by Hercules.


Broader (hypernym)mythical creature, mythical monster


Domain categoryGreek mythology

2. Hydra (object) a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer


SynonymsSnake


Instance hypernymconstellation

3. hydra (cognition) trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality


SamplesWe may be facing a hydra that defies any easy solution.


Broader (hypernym)problem, trouble

4. hydra (animal) small tubular solitary freshwater hydrozoan polyp


Broader (hypernym)hydroid, hydrozoan


Member meronymgenus Hydra









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