knarr

noun2

1. •
   (historical) A kind of Norse merchant ship used by the Vikings.

   • Mogens and Morten followed him on the two knarrs, but behind them to the north two other ships could be sighted. — 2003
2. •
   A type of modern long-keeled sailing boat.

   • This summer, one of these Knarrs is being delivered to Johannes Westergaard of New York, and another to Gerhard Lorenz of the Grosse Isle Yacht Club, Michigan. — 1954