金吾 [－－]

Jyutping gam1 ng4
Pinyin jīn wú

Definitions (CC-CANTO)
  1. the dragon in ancient legends that represents treasure; Imperial Guards
Definitions (Wiktionary)
  1. noun, archaic
    ceremonial baton made of copper, which was a symbol of authority
  2. noun, archaic
    position title: in charge of maintaining law and order within the capital