co-sibling-in-law

noun

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

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Meanings

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

plural co-siblings-in-law

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

Origin

From co- + sibling-in-law.

Full word history & related roots →

Translations

Polish mąż szwagierki, żona szwagra
  • mąż szwagierkione's spouse's sibling's spouse
  • żona szwagraone's spouse's sibling's spouse
  • brat szwagraone's sibling's spouse's sibling
  • siostra szwagraone's sibling's spouse's sibling
  • brat szwagierkione's sibling's spouse's sibling
  • siostra szwagierkione's sibling's spouse's sibling
Spanish concuñado
  • concuñadoone's spouse's sibling's spouse
Tagalog bilas
  • bilasone's spouse's sibling's spouse
Cite this entry
APA

co-sibling-in-law. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/co-sibling-in-law

MLA

“co-sibling-in-law.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/co-sibling-in-law. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “co-sibling-in-law,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/co-sibling-in-law.

Source: co-sibling-in-law on Wiktionary, CC BY-SA 4.0.