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Jyutping nau2 mun4
Pinyin niǔ mén

Definitions (粵典–words.hk)
  1. 名詞
    喺​衣物​上​,​用​嚟​俾鈕​穿​過​嘅​開​口​(​量​詞​:​粒​)
    buttonhole
Definitions (Kaifangcidian)
  1. 扣眼