American Heritage Dictionary
(1)
Century Dictionary
(4)
GNU Webster's 1913
(1)
WordNet
Elsewhere on the web
Indeed, at the moment of the preparation of this book, there were but two steel barges building in all the shipyards of the great lakes Another form of lake vessel of which great things were expected, but which disappointed its promotors, is the "whaleback," commonly called by the sailors "pigs."— American Merchant Ships and Sailors
"I can't make out what they are on; but it looks like a whaleback to me, with her upper works carried away There are no whalebacks in these seas," replied the captain But I saw one in New York Harbor; and I have read that one has crossed the Atlantic, going through the Welland Canal from the great lakes They have no mission in these waters, though what floats that party looks very much like one.— Across India Or, Live Boys in the Far East
He was a famous 'whaleback'--I think that's what they call it--on the Yale football team.— Out of the Ashes
According to one of these traditions, the Indians who formerly lived on the banks of the river were as brave as the ancient Spartans and Greeks, though if this is approximately correct, the law and argument of descent must be entirely erroneous, for the Indians of this section to-day rank among the meanest and most objectionable of the entire country An artistic illustration is given of the "whaleback" steamer, used principally on our Northern lakes.— My Native Land The United States: its Wonders, its Beauties, and its People; with Descriptive Notes, Character Sketches, Folk Lore, Traditions, Legends and History, for the Amusement of the Old and the Instruction of the Young
Then, in each boat, we mounted the whaleback--which had been stowed along the tops of the thwarts--also its supports, lashing the same to the thwarts below the knees.— The Boats of the "Glen Carrig"

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