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Jyutping maau5 ngaan5
Pinyin mǎo yǎn

Definitions (CC-CEDICT)
  1. mortise
  2. slit
Definitions (Wiktionary)
  1. noun
    mortise; slit
    (syn.) 卯竅, 卯窍
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)