What is a privilege of setting up, and moving about, folds for sheep, in any fields within manors, in order to manure them; -- often reserved to himself by the lord of the manor. Spelman called?

faldage — A privilege of setting up, and moving about, folds for sheep, in any fields within manors, in order to manure them; -- often reserved to himself by the lord of the manor. Spelman. (Webster's 1913.)