'Coregonus clupeoides' definitions:

Definition of 'Coregonus clupeoides'

From: GCIDE

Powan \Pow"an\, Powen \Pow"en\, n. (Zool.) A small British lake whitefish (Coregonus clupeoides, or Coregonus ferus); -- called also gwyniad and {lake herring}. [1913 Webster]