執金吾 [执－－]

Jyutping zap1 gam1 ng4
Pinyin zhí jīn wú

Definitions (CC-CEDICT)
  1. (Han dynasty) official in command of an army responsible for maintaining law and order in the capital
Definitions (CC-CANTO)
  1. name of an officer in Western Han Dynasty
Definitions (Wiktionary)
  1. noun, historical
    position title: in charge of maintaining law and order within the capital