godan verb (-su), transitive verb
Dialectal (Hokkaido, Tohoku) transitive verb meaning to soak something in liquid, often used for food preparation like soaking dried ingredients.
干し椎茸を水にうるかして戻す。
Soak dried shiitake mushrooms in water to rehydrate them.
豆を一晩うるかしておく。
Soak the beans overnight.