衡南 Traditional form: 衡南 Pinyin (reading): Héngnán Definitions: Hengnan county in Hengyang 衡陽/衡阳 ( Héngyáng), Hunan Characters: 衡 - to measure, to weigh; to consider, to judge 南 - south; southern; southward Traditional characters: 衡 - to measure, to weigh; to consider, to judge 南 - south; southern; southward