Pronunciation: (sOO'tOO, sō'tō),[key] —n., —pl.-thos,(esp. collectively)-thofor 3. 1. a group of closely related Bantu languages spoken in Lesotho and South Africa.
2. any of the Sotho languages, esp. Sesotho.
3. Also called Basuto. a member of any of a cluster of linguistically and culturally related Bantu-speaking peoples of southern Africa, including the Tswana.