# first cousin

> English word · Noun

## Definitions
1. A child of a parent's sibling; a nephew or niece of a parent; a child of one's uncle or aunt.
2. A relative who has with the other person only two grandparents or one grandparent (maternal or paternal) in common, but parents are different.
3. Anything closely related.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/first-cousin