Steamboat :: Steam (v. t.) To expose to the action of steam; to apply steam to for softening, dressing, or preparing; as, to steam wood; to steamcloth; to steam food, etc..
Steamboating :: Steamboat (n.) A boat or vessel propelled by steam power; -- generally used of river or coasting craft, as distinguished from ocean steamers..
Steamboating :: Steamboating (n.) The occupation or business of running a steamboat, or of transporting merchandise, passengers, etc., by steamboats..