大姨子 [－－－]

Jyutping daai6 ji4 zi2
Pinyin dà yí zi

Definitions (CC-CEDICT)
  1. sister-in-law
  2. wife's older sister
Definitions (Wiktionary)
  1. noun
    sister-in-law (wife's elder sister)
    (syn.) 姨姐, 大姨