小こ姑じゅうと

noun

sister-in-law (husband's sister)

Specifically refers to one's husband's sister. In traditional contexts, can carry a nuance of a critical or meddlesome in-law, but the basic meaning is simply the familial relationship.

• 私わたしの小こ姑じゅうとはとても親しん切せつです。

  My sister-in-law (husband's sister) is very kind.

• 小こ姑じゅうとと一いっ緒しょに買かい物ものに行いった。

  I went shopping with my sister-in-law (husband's sister).