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Jyutping ngoi6 gaa3
Pinyin wài jià

Definitions (CC-CEDICT)
  1. (of a woman) to marry a non-local or foreigner
Definitions (Wiktionary)
  1. verb, of a girl
    to marry someone outside of one's local area; to marry abroad; to marry a foreigner
Examples (粵典–words.hk)
  1. Cantonese
    我个姑妈系外嫁女,所以跟咗人哋姓。
    我個姑媽係外嫁女,所以跟咗人哋姓。
    • My aunt was married so she bears her husband's surname.