full cousin

cous•in

(ˈkʌz ən)

n.

1. the son or daughter of an uncle or aunt.

2. one related by descent in a diverging line from a known common ancestor.

3. a kinsman or kinswoman; relative.

4. a person or thing related to another by similar natures, languages, geographical proximity, etc.

5. a term of address used by a sovereign for another sovereign or a high-ranking noble.

[1250–1300; Middle English cosin < Anglo-French co(u)sin, Old French cosin < Latin consōbrīnus cousin (properly, son of one's mother's sister) =con- con- + sōbrīnus second cousin (presumably orig. “pertaining to the sister”) <*swesrīnos=*swesr-, gradational variant of *swesōr (>soror sister) + *-īnos -ine¹]

cous′in•ly, adj.

Thesaurus

Noun

1.

full cousin - the child of your aunt or uncle cousin, cousin-german, first cousin relative, relation - a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey"