Tswana adj : of or relating to a dialect of Sotho or the Bantu people who speak it; "Tswana vowels" n 1: a member of a Bantu people living chiefly in Botswana and western South Africa [syn: {Bechuana}, {Batswana}] 2: the dialect of Sotho spoken by the Tswana people in Botswana [syn: {Setswana}, {Sechuana}]