窗洞 [－－]

Jyutping coeng1 dung6
Pinyin chuāng dòng

Definitions (Wiktionary)
  1. noun
    opening in a wall (to let in light and air)
    (syn.) 风窗, 窗仔空, 風窗
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）