[usually singular] back (of something) the part or area of something that is furthest from the front We could only get seats at the back (= of the room). I found some old photos at the back of the drawer. He was shot in the back of the knee. The house has three bedrooms at the front and two at the back. (British English) There's room for three people in the back. (North American English) There's room for three people in back (= of a car, etc.). (British English) Comeround the back(= to the area behind the house) and I'll show you the garden.