玉衡 Traditional form: 玉衡 Pinyin (reading): yùhéng Definitions: epsilon Ursae Majoris in the Big Dipper Characters: 玉 - jade, gem, precious stone 衡 - to measure, to weigh; to consider, to judge Traditional characters: 玉 - jade, gem, precious stone 衡 - to measure, to weigh; to consider, to judge