half-sibling-in-law

EnglishEdit

EtymologyEdit

From half-sibling +‎ -in-law or half- +‎ sibling-in-law.

NounEdit

half-sibling-in-law (plural half-siblings-in-law)

  1. The half sibling of one's spouse.
  2. The spouse of one's half sibling.
  3. The spouse of the half sibling of one's spouse.