lawn; turf — the short, mowed grass in yards or parks (can also refer to artificial turf).
公園の芝生でピクニックをした。
We had a picnic on the park lawn.
芝生の手入れは春から始めた方がいい。
It's better to start lawn care in the spring.
子どもたちが芝生で元気に遊んでいる。
Children are playing energetically on the grass.