region in South Africa, between the Vaal River & Johannesburg, consisting of ranges of hills that contain rich gold fields
See Witwatersrand in American Heritage Dictionary 4
(wĭt-wôˈtərz-răndˌ, -rändˌ, -wŏtˈərz-) Often called rand(rănd)
A region of northeast South Africa between the Vaal River and Johannesburg. It has been one of the richest gold-mining areas in the world since the discovery of gold in 1886.