co-sibling-in-law

English edit

Etymology edit

From co- +‎ sibling-in-law.

Noun edit

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

  1. (rare) One's spouse's sibling's spouse; either of two (or more) people who marry siblings, from the perspective of the other.
  2. (rare) One's sibling's spouse's sibling; either of two (or more) people whose siblings marry each other, from the perspective of the other.

Coordinate terms edit

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