noun Er·e·thi·zon \ˌerəˈthīzən, -ˌzän\

Definition of Erethizon

  1. :  the type genus of Erethizontidae comprising the North American porcupine

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Origin and Etymology of erethizon

New Latin, from Greek erethizōn, present participle of erethizein

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a rounded knoll or a ridge of ice

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