Sentence:  There were umbrella tents , wall tents , cottage tents , station wagon tents , pup tents , Pop tents , Baker tents , <WSD>tents</WSD> with exterior frames , camper trailers , travel trailers , and even a few surplus parachutes serving as sunshades over entire family camps . 
Meaning of the word marked with <WSD> tags:  a portable shelter (usually of canvas stretched over supporting poles and fastened to the ground with ropes and pegs)