hydroid 1
noundomain: animal
Princeton WordNet [ver.3.1]
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EnglishDefinition
colonial coelenterates having the polyp phase dominant
Hypernym
coelenterate 1
noun
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
Member_meronym
Hydrozoa 1
noun
coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
EnglishHyponym
planula 1
noun
the flat ciliated free-swimming larva of hydrozoan coelenterates
hydra 4
noun
small tubular solitary freshwater hydrozoan polyp
siphonophore 1
noun
a floating or swimming oceanic colony of polyps often transparent or showily colored
sertularian 1
noun
feathery colony of long-branched stems bearing stalkless paired polyps
Member_holonym
Hydrozoa 1
noun
coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
