Sioux | Tribes, Meaning, Languages, Religion, & Facts
Sioux, broad alliance of North American Indian peoples who spoke three related languages within the Siouan language family. The name Sioux is an abbreviation of Nadouessioux ("Adders"; i.e., enemies), a name originally applied to them by the Ojibwa. The Santee, also known as the Eastern Sioux, were Dakota speakers and comprised the ...