noun
backyard; rear garden
Refers to the garden or yard at the back of a house. Common in everyday speech.
子供たちは裏庭で遊んでいる。
The children are playing in the backyard.
裏庭に小さな畑を作った。
I made a small vegetable patch in the back garden.
Compound of 裏 (ura, 'back') and 庭 (niwa, 'garden'). The reading うらにわ is a straightforward combination of the kun'yomi readings of the two kanji.