Cousin

COUSIN – [1] a child of one’s aunt or uncle; also called first cousin; [2] a relative descended from a common ancestor, such as a grandparent, by two or more steps in a diverging line; [3] a relative by blood or marriage; a kinsman or kinswoman; [4] a member of a kindred group or country

Merriam-Webster Online Dictionary
cousin (noun)
1.
a) a child of one's uncle or aunt
b) a relative descended from one's grandparent or more remote ancestor by two or more steps and in a different line
c) - kinsman relative a distant cousin
2.
one associated with or related to another - counterpart
3.
- used as a title by a sovereign in addressing a nobleman
4.
a person of a race or people ethnically or culturally related - our English cousins
Cousin (biographical name)
Victor 1792–1867 Fr. philos.