枳壳 Traditional form: 枳殼 Pinyin (reading): zhǐqiào Definitions: bitter orange (Fructus aurantii) (used in TCM) Characters: 枳 - trifoliate orange; hedge thorn 壳 - casing, husk, shell Traditional characters: 枳 - trifoliate orange; hedge thorn 殼 - casing, husk, shell