desert plateau in S Africa, mostly in Botswana: c. 350,000 sq mi (906,497 sq km)
See Kalahari in American Heritage Dictionary 4
(käˌlə-härˈē)
A desert plateau region of southern Botswana, eastern Namibia, and western South Africa. Fed by seasonal rains, it has sandy soil and supports grass and other vegetation in all but the extreme southwestern corner.