DICT.TW Dictionary Taiwan

 Siou·an /ˈsuən/
 Sioux語族的

 Siouan
      adj : of or relating to the Sioux people or their language and
            culture
      n 1: a member of a group of North American Indian peoples who
           spoke a Siouan language and who ranged from Lake
           Michigan to the Rocky Mountains [syn: Sioux]
      2: a family of North American Indian languages spoken by the
         Sioux [syn: Siouan language]