What is Banality?

Legal Definition
In Canadian law. The right by virtue of which a lord subjects his vassals to grind at his mill, bake at his oven, etc. Used also of the region within which this right applied. Guyot, Repert. Univ.
-- Black's Law Dictionary
Legal Definition
The right by which the lord made his vassals grind at his mill, bake at his oven, etc.
-- Ballentine's Law Dictionary