noun
mochi preserved in water
Refers to mochi (rice cakes) soaked in water to prevent mold growth, a traditional preservation method.
祖母は冬の間、水餅を作って保存していた。
My grandmother used to make and store mochi in water during the winter.
水餅はカビを防ぐために水に浸けておく。
Mochi is kept soaked in water to prevent mold.