鐵門 [铁门]

Jyutping tit3 mun4
Pinyin tiě mén

Definitions (CC-CANTO)
  1.  iron gate; metal gate; metal door
Definitions (Wiktionary)
  1. noun
    iron gate; grille
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）