Transvaal noun2 •A geographical region and former province (until 1994) of South Africa between the Vaal and Limpopo rivers.Well Jo'anna she runs a country / She runs in Durban and the Transvaal — 1988 •(historical) A former country in Southern Africa; the Transvaal "Boer republic" state from 1852 to the United Kingdom of Great Britain and Ireland's annexation of it in 1902.