co-sibling-in-law

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Etymology

From co- + sibling-in-law.

Noun

co-sibling-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.

Related terms

• co-in-law
• co-parent-in-law

Translations

• Spanish: concuñado

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