Baluchistan Syllabification: (Ba·lu·chi·stan)Pronunciation: /bəˈlo͞oCHiˌstan, -stän/Definition of Baluchistan 1a mountainous region of western Asia that includes part of southeastern Iran, southwestern Afghanistan, and western Pakistan. 2a province of western Pakistan; capital, Quetta. Baluchistan in other Oxford dictionaries Definition of Baluchistan in the British & World English dictionary