Barge

Shallow, nonself-propelled vessels used to carry bulk commodities on the rivers and the Great Lakes. (DOE6)

A non-motorized water vessel. usually flat-bottomed and towed or pushed by other craft, used for transporting freight. (TNDOT1)

A non-selfpropelled vessel. (49CFR171)

See also Boat, Tanker. 

Flat-bottomed boat designed to carry cargo on inland waterways, usually without engines or crew accommodations. Barges can be lashed together and either pushed or pulled by tugs, carrying cargo of 60,000 tons or more. Small barges for carrying cargo between ship and shore are known as lighters.