rear end
noun /ˌrɪər ˈend/
/ˌrɪr ˈend/
- the back part of a vehicle
- The rear end has been completely redesigned in order to offer rear passengers more comfort.
- (also rear)(informal) the part of the body that you sit on synonym backside, bottom (6)
- He spends all day sitting on his rear end in front of a computer.