Hypertext Webster Gateway: "steamboat"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Steamboat \Steam"boat`\, n.
A boat or vessel propelled by steam power; -- generally used
of river or coasting craft, as distinguished from ocean
steamers.
From WordNet (r) 1.7 (wn)
steamboat
n : a boat propelled by a steam engine
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