back window; rear window
Refers to a window at the back of a building, vehicle, or room. Neutral, everyday term.
裏窓から庭が見える。
You can see the garden from the back window.
車の裏窓が曇
The car's rear window is fogged up.
Compound of 裏 (ura, 'back') and 窓 (mado, 'window').