also: ほしい
noun
dried boiled rice; hoshi-ii
Historically used as portable provisions by samurai and travelers; today it is a traditional preserved food, sometimes rehydrated with hot water or eaten as a snack.
戦国時代、武士は干し飯を携帯食として持ち歩いた。
During the Warring States period, samurai carried dried boiled rice as portable rations.
干し飯はお湯をかけるとふっくら戻る。
Dried boiled rice becomes soft and fluffy again when you pour hot water over it.