Noun
a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century
Source: WordNetCharlotta A. Bass and two friends pose for a picture on a covered wagon at Knott's Berry Farm, June 12, 1947. Source: Internet
Later, a friend and I went halves on one of those blue tarp houses shaped like a covered wagon, with front and back walls that folded down over the floor for storage and transport. Source: Internet