柴胡 Traditional form: 柴胡 Pinyin (reading): cháihú Definitions: Chinese thorowax (Bupleurum chinense) root of Chinese thorowax (used in TCM) Characters: 柴 - firewood, faggots, fuel; surname 胡 - recklessly, foolishly; wildly Traditional characters: 柴 - firewood, faggots, fuel; surname 胡 - recklessly, foolishly; wildly