plural noun Pec·ti·na·cea \ˌpektəˈnāshēə\

Definition of Pectinacea

  1. :  a suborder of Filibranchia comprising active bivalve mollusks that have a fan-shaped shell and no siphons including the typical pectens and related forms


\ˌpektəˈnäsh(ē)ən\ noun, plural


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Origin and Etymology of pectinacea

New Latin, from Pectin-, Pecten, type genus + -acea

Seen and Heard

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a rounded knoll or a ridge of ice

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