四物汤 Traditional form: 四物湯 Pinyin (reading): sìwùtāng Definitions: four-substance decoction (si wu tang), tonic formula used in Chinese medicine Characters: 四 - four 物 - thing, substance, matter; creature 汤 - soup, gravy, broth; hot water Traditional characters: 四 - four 物 - thing, substance, matter; creature 湯 - soup, gravy, broth; hot water