Whaleback

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Whaleback \Whale"back`\, n. (Naut.)
     A form of vessel, often with steam power, having sharp ends
     and a very convex upper deck, much used on the Great Lakes,
     esp. for carrying grain.
     [Webster 1913 Suppl.]