1. ボツワナ、南アフリカおよびレソトのソト族の相互にわかりやすい南のバンツ一語の言語の総称(any of the mutually intelligible southern Bantu languages of the Sotho in Botswana and South Africa and Lesotho)
2. ボツワナ、レソトと北南アフリカに居住し、ソト族言語を話すバンツ一族の人々(a member of the Bantu people who inhabit Botswana, Lesotho, and northern South Africa and who speak the Sotho languages)