老大媽 [－－妈]

Jyutping lou5 daai6 maa1
Pinyin lǎo dà mā

Definitions (CC-CEDICT)
  1. "Madam" (affectionate term for an elderly woman)
  2. CL:位[wei4]
Definitions (Wiktionary)
  1. noun
    madam (affectionate term for an elderly lady)
    (syn.) 老大娘
  2. noun, Min-Dong
    great-great-grandmother (grandparent's grandmother)
    (syn.) 祖奶, 高祖母, 婆白, 阿白