Source : Webster's Revised Unabridged Dictionary (1913)

Gouge \Gouge\, n. [F. gouge. LL. gubia, guvia, gulbia, gulvia,
   gulvium; cf. Bisc. gubia bow, gubioa throat.]
   1. A chisel, with a hollow or semicylindrical blade, for
      scooping or cutting holes, channels, or grooves, in wood,
      stone, etc.; a similar instrument, with curved edge, for
      turning wood.

   2. A bookbinder's tool for blind tooling or gilding, having a
      face which forms a curve.

Source : WordNet®

gouge
     v 1: force with the thumb; "gouge out his eyes" [syn: {force out}]
     2: obtain by coercion or intimidation; "They extorted money
        from the executive by threatening to reveal his past to
        the company boss"; "They squeezed money from the owner of
        the business by threatening him" [syn: {extort}, {squeeze},
         {rack}, {wring}]
     3: make a groove in [syn: {rout}]

gouge
     n 1: an impression in a surface (as made by a blow) [syn: {dent},
           {nick}]
     2: and edge tool with a blade like a trough for cutting
        channels or grooves
     3: the act of gouging