The Collaborative International Dictionary
Cosinage
Cosinage \Cos"in*age\ (k?s"'n-?j), n. [See Cousinage.] (Law)
Collateral relationship or kindred by blood; consanguinity.
--Burrill.A writ to recover possession of an estate in lands, when a stranger has entered, after the death of the grandfather's grandfather, or other distant collateral relation.
--Blackstone.
Wiktionary
cosinage
n. 1 collateral relationship or kindred by blood; consanguinity. 2 (context legal English) A writ to recover possession of an estate in lands, when a stranger has entered, after the death of the grandfather's grandfather, or other distant collateral relation.