大姑

dàgū
  1. father's oldest sister
  2. husband's older sister
  3. sister-in-law

CEDICT

  1. (obsolete) respectful address for a woman
  2. (regional) sister-in-law (husband's elder sister)
  3. father's oldest sister
  4. respectful address for a woman
  5. sister-in-law (husband's elder sister)

Wiktionary

  1. 對婦女的尊稱。
  2. 稱謂：（1）對父親的姊妹中最長者的稱呼。（2）稱丈夫的姊姊。

重編國語辭典

Entry Composition

1 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
2 姑 gū
  1. paternal aunt
  2. husband's sister
  3. husband's mother (old)
  4. nun
  5. for the time being (literary)

Containing this entry

七大姑八大姨 qīdàgūbādàyí distant relatives
大姑娘 dàguniāng
大姑子 dàguzī

Related entries

大姨子 dàyízi
  1. sister-in-law
  2. wife's older sister
大嫂 dàsǎo
  1. older brother's wife
  2. sister-in-law
  3. elder sister (respectful appellation for an older married woman)
姨妹 yímèi
  1. wife's younger sister
  2. sister-in-law
姨姐 yíjiě
  1. wife's elder sister
  2. sister-in-law
嫂嫂 sǎosao
  1. older brother's wife
  2. sister-in-law
  3. (polite address to a younger married woman) sister
弟婦 dìfù
  1. younger brother's wife
  2. sister-in-law