noun Ac·ro·tre·ta \ˌa-krō-ˈtrē-tə\

Definition of Acrotreta

  1. :  a genus of brachiopods known from small fossil shells common in Cambrian rocks

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Origin and Etymology of acrotreta

New Latin, from acr- + -treta (from Greek trētos perforated)

First Known Use: 1851

Seen and Heard

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a rounded knoll or a ridge of ice

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