- The definition of a cousin is the child of your aunt and/or uncle.
An example of a cousin is the baby born to your mother's sister.
cousin definition by Webster's New World
- Obsolete a collateral relative more distant than a brother or sister, descended from a common ancestor
- the son or daughter of one's uncle or aunt: also called first cousin, full cousin, or cousin-german: one's second cousin is a child of one's parent's first cousin; one's first cousin once removed is a child of one's first cousin (or, conversely, a first cousin of one's parent)
- loosely any relative by blood or marriage
- a person or thing thought of as somehow related to another: our Mexican cousins
- a title of address used by one sovereign to another sovereign or to a nobleman
Origin: Middle English cosin ; from Old French ; from Classical Latin consobrinus, origin, originally , child of a mother's sister, also cousin, relation ; from com-, with plush sobrinus, cousin on the mother's side ; from base of soror, sister
cousin definition by American Heritage Dictionary
- A child of one's aunt or uncle. Also called first cousin.
- A relative descended from a common ancestor, such as a grandparent, by two or more steps in a diverging line.
- A relative by blood or marriage; a kinsman or kinswoman.
- A member of a kindred group or country: our Canadian cousins.
- Something similar in quality or character: “There's no mistaking soca for its distant Jamaican cousin, reggae” (Michael Saunders).
- Used as a form of address by a sovereign in addressing another sovereign or a high-ranking member of the nobility.
Origin: Middle English cosin, a relative, from Old French, from Latin cōnsōbrīnus, cousin : com-, com- + sōbrīnus, cousin on the mother's side; see swesor- in Indo-European roots.
- cousˈin·hoodˌ noun
- cousˈin·ly adjective
- cousˈin·shipˌ noun