noun
Senior Grand Tutor
Historical title: the highest of the Three Ducal Ministers (三公) in the Zhou dynasty of ancient China. Rarely used outside historical contexts.
周王朝では、太師は三公の筆頭として君主を補佐した。
In the Zhou dynasty, the Senior Grand Tutor assisted the monarch as the head of the Three Ducal Ministers.
noun
Grand Minister; Chancellor of the Realm
Historical title: an alternate name for the 太政大臣 (Daijō-daijin), the highest-ranking minister in the ancient Japanese ritsuryō system. Equivalent to Chancellor of the Realm.
See also: 太政大臣
太師は太政大臣の別称として用いられた。
太師 was used as an alternate name for the Grand Minister (太政大臣).
From Chinese 太師 (tàishī), literally 'grand master/teacher'. Adopted into Japanese as a historical title.