Cos"in*age (k?s"'n-?j), n. [See Cousinage.] Law (a)
Collateral relationship or kindred by blood; consanguinity.
Burrill. (b)
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.
© Webster 1913.