Pow·an Pow·en, n. Zool. A small British lake whitefish (Coregonus clupeoides, or Coregonus ferus); -- called also gwyniad and lake herring.
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  Gwin·i·ad n.  Zoöl. A fish (Coregonus ferus) of North Wales and Northern Europe, allied to the lake whitefish; -- called also powan, and schelly. [Written also gwyniad, guiniad, gurniad.]
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