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Any member of the former order Sertularida, hydroids having branched chitinous stems and simple sessile hydrothecae.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
feathery colony of long-branched stems bearing stalkless paired polyps
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: hydrozoan, hydroid
From translingual Sertularia, the taxonomic name of the genus for which the order was named, + -an.