Belonging to the Coelentera.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
Related to, or resembling, the hydra; of or pertaining to the Hydroidea.
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Belonging to the Coelentera.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediatel…
Open English WordNet identifies the related term as a narrower or more specific lexical category.
In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a ce…
Open English WordNet identifies the related term as a narrower or more specific lexical category.
Any species of Sertularia, or of Sertularidae, a family of hydroids having branched chitinous stems and simple sessile hydrothecae. Also used adjecti…
Open English WordNet identifies the related term as a narrower or more specific lexical category.
One of the Siphonophora.
Open English WordNet identifies the related term as a narrower or more specific lexical category.
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