co-uncle

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co-uncle

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* co- + uncle

noun co-uncles

  1. of a man, an uncle of one's niece or nephew who is not one's brother; a co-brother-in-law as common uncle to the children of two men's married siblings. Cicero continued however to write anxiously to Atticus, his co-uncle, about the young man's remarkable gifts and unsatisfactory character. [Cicero's younger brother married Atticus's sister, and the couple had a son Quintus; Cicero and Atticus were thus co-uncles to Quintus, the nephew they had in c
  2. a man's brother, as uncle in common to the children of a third sibling My nephew came up for the summer with my brother and co-uncle George.

Similar: co-brother-in-law

Thesaurus

noun

Similar: co-brother-in-law

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MLA

"co-uncle." Wiktionary, via Micwyn, micwyn.com/word/co-uncle. Accessed 6 Nov. 2026.

APA

co-uncle. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/co-uncle

Chicago

"co-uncle." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/co-uncle.

BibTeX
@misc{co_uncle_2026,
  title = {co-uncle},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/co-uncle},
  urldate = {2026-11-06}
}