cormidium

noun cor·mid·i·um \kȯrˈmidēəm\

Definition of cormidium

plural

cormidia

\-ēə\
  1. :  the entire body or colony of a compound animal; sometimes :  one of the clusters of zooids usually consisting of a helmet-shaped bract, a gastrozooid, and one or more gonophores often functioning as swimming bells and arising from the main stem of a calycophoran —used chiefly of the Siphonophora

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Origin and Etymology of cormidium

New Latin, from Greek kormos tree trunk + New Latin -idium


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