noun
shallow bowl for flower arrangement or bonsai
A wide, shallow container used in ikebana, bonsai display, or as a decorative water basin.
生け花の先生が水盤に花を生けた。
The ikebana teacher arranged flowers in a shallow bowl.
盆栽の下に水盤を置いて、湿度を保っている。
I place a shallow water tray under the bonsai to maintain humidity.