a freshwater whitefish, Coregonus clupeoides, occurring in some Scottish lakes
any of certain similar related fishes, such as the vendace

Also: lake herring

Word Origin for powan

C17: Scottish variant of pollan
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for powan

Historical Examples of powan

  • The powan, or fresh-water herring (Coregonus), of which there are several marine and fresh-water species.