资料来源 : Webster's Revised Unabridged Dictionary (1913)

Edge \Edge\, n. [OE. eg, egge, AS. ecg; akin to OHG. ekka, G.
   ecke, Icel. & Sw. egg, Dan. eg, and to L. acies, Gr. ? point,
   Skr. a?ri edge. ??. Cf. {Egg}, v. t., {Eager}, {Ear} spike of
   corn, {Acute}.]
   1. The thin cutting side of the blade of an instrument; as,
      the edge of an ax, knife, sword, or scythe. Hence,
      figuratively, that which cuts as an edge does, or wounds
      deeply, etc.

            He which hath the sharp sword with two edges. --Rev.
                                                  ii. 12.

            Slander, Whose edge is sharper than the sword.
                                                  --Shak.

   2. Any sharp terminating border; a margin; a brink; extreme
      verge; as, the edge of a table, a precipice.

            Upon the edge of yonder coppice.      --Shak.

            In worst extremes, and on the perilous edge Of
            battle.                               --Milton.

            Pursue even to the very edge of destruction. --Sir
                                                  W. Scott.

   3. Sharpness; readiness of fitness to cut; keenness;
      intenseness of desire.

            The full edge of our indignation.     --Sir W.
                                                  Scott.

            Death and persecution lose all the ill that they can
            have, if we do not set an edge upon them by our
            fears and by our vices.               --Jer. Taylor.

   4. The border or part adjacent to the line of division; the
      beginning or early part; as, in the edge of evening. ``On
      the edge of winter.'' --Milton.

   {Edge joint} (Carp.), a joint formed by two edges making a
      corner.

   {Edge mill}, a crushing or grinding mill in which stones roll
      around on their edges, on a level circular bed; -- used
      for ore, and as an oil mill. Called also {Chilian mill}.
      

   {Edge molding} (Arch.), a molding whose section is made up of
      two curves meeting in an angle.

   {Edge plane}.
      (a) (Carp.) A plane for edging boards.
      (b) (Shoemaking) A plane for edging soles.

   {Edge play}, a kind of swordplay in which backswords or
      cutlasses are used, and the edge, rather than the point,
      is employed.

   {Edge rail}. (Railroad)
      (a) A rail set on edge; -- applied to a rail of more depth
          than width.
      (b) A guard rail by the side of the main rail at a switch.
          --Knight.

   {Edge railway}, a railway having the rails set on edge.

   {Edge stone}, a curbstone.

   {Edge tool}.
      (a) Any tool instrument having a sharp edge intended for
          cutting.
      (b) A tool for forming or dressing an edge; an edging
          tool.

   {To be on edge}, to be eager, impatient, or anxious.

   {To set the teeth on edge}, to cause a disagreeable tingling
      sensation in the teeth, as by bringing acids into contact
      with them. --Bacon.