backyard; rear garden
Refers to the garden or yard at the back of a house. Common in everyday speech.
The children are playing in the backyard.
I made a small vegetable patch in the back garden.
前庭 is the garden or yard at the front of a building, while 裏庭 is the one at the back.
Standard kanji spelling; the only written form given.
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.