n. The act of casting dust or powder upon anything; specifically, in ceramics, sprinkling over the damp, unburned clay, through a canvas bag, powdered lead or galena, which in the kiln will fuse into a glaze. This method of lead-glazing was employed in England for common red pottery. See lead-glaze and plumbiferous, 2.n. The act of brushing the dust from a surface, as of a table, chair, floor, etc.