冥婚

mínghūn
posthumous or ghost marriage (in which at least one of the bride and groom is dead)

CEDICT

ghost marriage; posthumous marriage

Wiktionary

俗称人鬼通婚为「冥婚」。

重編國語辭典

有死者参与的婚姻

維基詞典

Entry Composition

=1 冥 míng old variant of 冥 míng
=1 冥 míng
  1. dark
  2. deep
  3. stupid
  4. the underworld
2 婚 hūn
  1. to marry
  2. marriage
  3. wedding
  4. to take a wife