EN An Usu (Japanese: 臼) is a large Japanese Stamp mill with a pestle called kine (IPA: [ˈkinɛ̝], Japanese: 杵), used to pound rice or millet.

EN The Usui Pass (碓氷峠 Usui-tōge) is a mountain pass that lies between Nagano and Gunma Prefectures in Japan.