Sentence:  The suitcases and the playpen, the Frisbees and the Wiffle Balls are all packed in the <WSD>wayback</WSD> of the car; the snacks are on the floor of the front seat where Deje can dole them out to our hungry kids as we drive south towards Charlotte. 
Meaning of the word marked with <WSD> tags:  An area in the body of a car behind the rear seat, such as the back of a station wagon, storage well in a VW bug, etc.