姻亲

姻親
yīnqīn
relation by marriage; in-laws

CEDICT

relative by marriage; in-law

Wiktionary

由婚姻而产生亲属关係的人。如配偶、姐夫、妻子的兄弟姐妹等。

重編國語辭典

由婚姻而产生亲属关係的人

維基詞典

Entry Composition

=1 姻 yīn marriage connections
=1 姻 yīn variant of 姻 yīn
2 亲 qīn
  1. parent
  2. one's own (flesh and blood)
  3. relative
  4. related
  5. marriage
  6. bride
  7. close
  8. intimate
  9. in person
  10. first-hand
  11. in favor of
  12. pro-
  13. to kiss
  14. (Internet slang) dear