白頭佬 [－头－]

Jyutping baak6 tau4 lou2
Pinyin bái tóu lǎo

Definitions (粵典–words.hk)
  1. 名詞
    泛指​頭​髮​斑白​嘅​男人
    white haired guy
  2. 名詞
    即​係​交通警​；​同​其他​警察​嘅​帽​唔​同​，​交通警​通常​都​係​戴​白色​頭​盔​嘅​，​所以​就​用​白頭​佬​嚟​暗指​佢​哋
    traffic police officer

白頭佬 [－头－]

Jyutping baak6 tau4 lou2
Pinyin bái tóu2lao

Definitions (CC-CANTO)
  1. a traffic police officer [colloquial]