in Ancient Customs, a fee due from vassals to their lord for the sharpening of their agricultural implements. Of old the tenants in some manors were not allowed to have them sharpened by any but those whom the lord appointed, for which an acknowledgment was to be paid, called agusadura, in some places agusage; which some take to be the same with what was otherwise called reillage, from the ancient French reille, a ploughshare.