Tacheng noun2 •A prefecture of the Xinjiang autonomous region, China.More than 13,000 geese were destroyed in Tacheng, in the Xinjiang autonomous region, after about 500 died of H5N1 avian flu, China's Agriculture Ministry reported. — 2005 •A county-level city of Tacheng prefecture, Xinjiang autonomous region, China.The Daur minority is another Mongolian-speaking group, most of whom live near the town of Tacheng (Qochek), near the Kazakstan border. — 1998
