plural noun An·a·ti·na·cea \ˌanətəˈnāshēə\

Definition of Anatinacea

  1. :  a suborder of Eulamellibranchia of worldwide distribution comprising mollusks that have separate orifices for the ovaries and testes, a small foot, and the hinge of the shell without teeth

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Origin and Etymology of anatinacea

New Latin, from Anatina, genus of mollusks (from Latin anat-, anas duck + New Latin -ina) + -acea

First Known Use: 1872

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capable of being understood in two ways

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