1An outdoor area attached to a house or building, often containing plants, stones, or a pond; a garden or yard.
週末に庭の草むしりをした。
I pulled weeds in the garden over the weekend.
日本庭園の静かな庭を歩いてリラックスした。
I walked through the tranquil garden of a Japanese garden and relaxed.
子どもたちは庭でボール遊びをしている。
The children are playing ball in the yard.
うちの庭には大きな桜の木がある。
There's a big cherry tree in our yard.
2A field or sphere of activity; used figuratively as 'someone's 庭' to mean their turf or area of expertise.
この町の飲食業は彼の庭のようだ。
The restaurant business in this town seems to be his turf.
プログラミングの世界はもはや彼の庭だ。
The world of programming is basically his turf now.