noun Mac·tra \ˈmaktrə\

Definition of Mactra

  1. :  the type genus of Mactridae formerly including most members of the family but now restricted to a few somewhat triangular, usually thin-shelled surf clams


\-ˌtrȯid\ adjective

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Origin and Etymology of mactra

New Latin, from Greek maktra kneading trough, from massein to knead — more at mingle

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feeling or affected by lethargy

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