牛膝 Save Sign in to save words niúxī ㄋㄧㄡˊ ㄒㄧ Achyranthes bidentata (root used in Chinese medicine) Character by character 牛(niú)ox 膝(xī)knee A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0