hydra

views updated May 09 2018

hydra Popular name for a group of small, freshwater organisms including the jellyfish, coral and sea anemone.

hydra

views updated May 11 2018

hy·dra / ˈhīdrə/ • n. a minute freshwater coelenterate with a stalklike tubular body and a ring of tentacles around the mouth. • Genus Hydra, class Hydrozoa.

Hydra

views updated Jun 08 2018

Hydra See HYDROIDA.