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Jyutping baak3 zou2 mou5
Pinyin bó zǔ mǔ

Definitions (Wiktionary)
  1. noun
    grandaunt; great-aunt (wife of paternal grandfather's elder brother)
    (syn.) 依婆, 伯婆, 大婆, 姆婆
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)