Definify.com
Webster 1913 Edition
Thirlage
Thirl′age
,Noun.
[Cf.
Thrall
.] (Scots Law)
The right which the owner of a mill possesses, by contract or law, to compel the tenants of a certain district, or of his sucken, to bring all their grain to his mill for grinding.
Erskine.
Webster 1828 Edition
Thirlage
THIRLAGE
,Noun.