mountainous region in W Pakistan, on the border with Afghanistan: c. 5,000 sq mi (12,950 sq km)
See Waziristan in American Heritage Dictionary 4
(wə-zîrˌĭ-stănˈ, -stänˈ)
A mountainous region of northwest Pakistan on the Afghanistan border, divided into North Waziristan and South Waziristan. The region became part of Pakistan in 1947.