edging
 邊緣,邊飾
 Edge v. t. [imp. & p. p. Edged p. pr. & vb. n. Edging.]
 1. To furnish with an edge as a tool or weapon; to sharpen.
    To edge her champion's sword.   --Dryden.
 2. To shape or dress the edge of, as with a tool.
 3. To furnish with a fringe or border; as, to edge a dress; to edge a garden with box.
    Hills whose tops were edged with groves.   --Pope.
 4. To make sharp or keen, figuratively; to incite; to exasperate; to goad; to urge or egg on. [Obs.]
    By such reasonings, the simple were blinded, and the malicious edged.   --Hayward.
 5. To move by little and little or cautiously, as by pressing forward edgewise; as, edging their chairs forwards.
 Edg·ing n.
 1. That which forms an edge or border, as the fringe, trimming, etc., of a garment, or a border in a garden.
 2. 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.
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 edging
      n : border consisting of anything placed on the edge to finish
          something (such as a fringe on clothing or on a rug)