n.1 (also first cousin, cousin-german) the child of one's uncle or aunt.
2 (usu. in pl.) applied to the people of kindred races or nations (our American cousins).
3 hist. a title formerly used by a sovereign in addressing another sovereign or a noble of his or her own country.
Phrases and idioms:
second cousin a child of one's parent's first cousin.
Derivatives:
cousinhood n. cousinly adj. cousinship n.
Etymology: ME f. OF cosin, cusin, f. L consobrinus mother's sister's child