土司 Traditional form: 土司 Pinyin (reading): tǔsī Definitions: sliced bread (loanword from "toast") government-appointed hereditary tribal headman in the Yuan, Ming and Qing dynasties Characters: 土 - soil, earth; items made of earth 司 - to take charge of, to control, to manage; officer Traditional characters: 土 - soil, earth; items made of earth 司 - to take charge of, to control, to manage; officer