hydrozoa
English Thesaurus
1. coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes (noun.animal)
| hypernym | : | class, |
| definition | : | (biology) a taxonomic group containing one or more orders (noun.group) |
| member holonym | : | hydroid, hydrozoan, |
| definition | : | colonial coelenterates having the polyp phase dominant (noun.animal) |
| member holonym | : | genus hydra, |
| definition | : | hydras (noun.animal) |
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