A cousin is a relative who is the child of a parent's sibling One related by descent in a diverging line from a known common ancestor This is more specifically referred to as a first cousin
A parent of a first cousin is an aunt or uncle. The son or daughter of an uncle or aunt Cousin, a person whose last common ancestor with a given individual is at least two generations away
How to use cousin in a sentence. A patrilineal or paternal cousin is a father’s niece or nephew, and a matrilineal or maternal cousin a mother’s. A child of a person's aunt or uncle, or, more generally, a distant (= not close) relation 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)]
