Edg"ing (?), n.
That which forms an edge or border, as the fringe, trimming, etc., of a garment, or a border in a garden.
The operation of shaping or dressing the edge of anything, as of a piece of metal.
Edging machine, a machine tool with a revolving cutter, for dressing edges, as of boards, or metal plates, to a pattern or templet.
© Webster 1913.