Hydra

sometimes included in the family Saxifragaceae

Hydra

a discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks

Hydra

a faucet for drawing water from a pipe or cask

Hydra

a heavy silvery toxic univalent and bivalent metallic element

Hydra

inflammation and swelling of a movable joint because of excess synovial fluid

Hydra

small genus of perennial herbs having rhizomes and palmate leaves and small solitary flowers

Hydra

perennial herb of northeastern United States having a thick knotted yellow rootstock and large rounded leaves

Hydra

any compound that contains water of crystallization

Hydra

cause to be hydrated

Hydra

become hydrated and combine with water

Hydra

supply water or liquid to in order to maintain a healthy balance

Hydra

(chemistry) containing combined water (especially water of crystallization as in a hydrate)