1. the five ranges separating Hunan and Jiangxi from south China, esp. Guangdong and Guangxi, namely: Dayu 大庾岭 (Dàyǔlǐng), Dupang 都庞岭 (Dūpánglǐng), Qitian 骑田岭 (Qítiánlǐng), Mengzhu 萌渚岭 (Méngzhǔlǐng) and Yuecheng 越城岭 (Yuèchénglǐng)