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echiuroid

[ ek-ee-yoor-oid ]

noun

  1. any wormlike invertebrate of the phylum Echiuroidea, found in sand and mud of tropical and subtropical seas, having at the mouth a ciliated, often elongated prostomium.


adjective

  1. belonging or pertaining to the Echiuroidea.

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Word History and Origins

Origin of echiuroid1

1885–90; < New Latin Echiuroidea; echiurid, -oidea

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