[heaps of stones used by the Mongolians and Tibetans as markings for roads or boundaries] 原是蒙古族人做路标和界标的堆子,用石、土、草等堆积而成。旧时夏秋两季曾把敖包当做神灵的住地来祭祀,尤以秋季最为隆重。也作鄂博