機鐵 [机铁]

Jyutping gei1 tit3
Pinyin jī tiě

Definitions (CC-CANTO)
  1. (noun)) the Airport Express, which is the public transportation in Hong Kong
Definitions (粵典–words.hk)
  1. 名詞、專名、香港
    即​係​機場​快​綫​；​係​港​鐵​嘅​一部分​，​連接​香港​機場​同中環
    Airport Express
Definitions (Wiktionary)
  1. name, Hong-Kong
    Airport Express of the MTR