尹 yǐn — an ancient official title; governor 尹 yǐn Level 2 · Frequent #3524 yǐn yin3 Basic definition noun an ancient official title; governor e.g 令尹府尹京兆尹 surname Yin e.g 尹姓 verb to govern; to administer e.g 以尹天下 Detailed explanation verb administer e.g 尹京 · 尹祭 noun magistrate;a title in old times e.g 府尹京兆尹 尹氏 · 尹寺 · 尹长 姓 e.g 尹午 Related words 府尹 fǔ yǐn prefect (ancient) 令尹 lìng yǐn prime minister of ancient Chu 京兆尹 jīng zhào yǐn governor of the capital district 尹姓 yǐn xìng the surname Yin 以尹天下 yǐ yǐn tiān xià to govern the whole realm