(of fish) newly migrated upstream from the sea, esp to spawn
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 fresh-run

  • Imagine hundreds of lakes whose waters, fresh-run from snow-field and glacier, brilliantly reflect the odd surrounding landscape.

    The Book of the National Parks|Robert Sterling Yard
  • I once caught a fresh-run bull-trout in the river weighing 21 lbs., a very handsome fish.

    Gairloch In North-West Ross-Shire|John H. Dixon, F.S.A. Scot
  • In her right hand the woman carried a large tin bucket, half filled with fresh-run maple-sap.

    The House in the Water|Charles G. D. Roberts