Whaleback

A whaleback was a type of cargo steamship of unusual design, with a hull that continuously curved above the waterline from vertical to horizontal. When fully loaded, only the rounded portion of the hull (the `whaleback` proper) could be seen above the waterline. With sides curved in towards the ends, it had a spoon bow and a very convex upper de.....
Found on http://en.wikipedia.org/wiki/Whaleback

Whaleback

• (n.) 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.
Found on http://thinkexist.com/dictionary/meaning/whaleback/

Whaleback

Whale'back` noun (Nautical) 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.
Found on http://www.encyclo.co.uk/webster/W/26
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