Thirlage
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In Scotch law
A servitude by which lands are astricted or thirled to a particular mill, and the possessors bound to grind their grain there, for the pajrment of certain multures and sequels as the agreed price of grinding.
Ersk. Inst. 2. 9. 18.