noun
miniature garden; tray garden
A small, self-contained garden often created in a shallow container, tray, or box, featuring miniature landscapes, plants, and sometimes tiny structures.
祖父は趣味で箱庭を作っている。
My grandfather makes miniature gardens as a hobby.
この箱庭には小さな池と橋がある。
This miniature garden has a tiny pond and a bridge.