| Noun | 1. | Sinkiang - an autonomous province in far northwestern China on the border with Mongolia and Kazakhstan; the largest province in the People's Republic of China and the homeland of the Uighur peopleprovince, state - the territory occupied by one of the constituent administrative districts of a nation; "his state is in the deep south" Uighur, Uigur, Uygur - a member of a people who speak Uighur and live in Xinjiang and adjacent areas | |