\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.
3. An incising tool which cuts forms or blanks for gloves,
   envelopes, etc. from leather, paper, etc. --Knight.
4. (Mining) Soft material lying between the wall of a vein
   aud the solid vein. --Raymond.
5. The act of scooping out with a gouge, or as with a gouge;
   a groove or cavity scooped out, as with a gouge.
6. Imposition; cheat; fraud; also, an impostor; a cheat; a
   trickish person. [Slang, U. S.]
{Gouge bit}, a boring bit, shaped like a gouge.