gouge

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A chisel with a blade that has a rounded, angled, or troughlike indentation along its length.
• noun A scooping or digging action, as with such a chisel.
• noun A groove or hole scooped with or as if with such a chisel.
• noun Informal A large amount, as of money, exacted or extorted.
• transitive verb To cut or scoop out with or as if with a gouge.
• transitive verb To force out the eye of (a person) with one's thumb.
• transitive verb To thrust one's thumb into the eye of.
• transitive verb Informal To extort from.
• transitive verb Slang To swindle.

from The Century Dictionary.

• noun A chisel with a longitudinally curved blade, used to cut holes, channels, or grooves in wood or stone, or for turning wood in a lathe.
• noun In bookbinding, a gilders' tool intended to make the segment of a circle.
• noun A local name for a shell which gouges or cuts the foot when trodden on; specifically, in the Gulf of Mexico, a shell of the genus Pinna or Vermetus.
• noun A stamp for cutting leather or paper.
• noun In mining, the band or layer of decomposed country rock or clayey material (flucan) often found on each side of a lode.
• noun An effect of gouging; an excavation or a hole made by or as if by scooping out matter.
• noun An imposition; a cheat; also, an impostor.
• To scoop out or turn with a gouge.
• Hence To scoop or excavate as if with a gouge; dig or tear out by or as if by a scooping action: as, to gouge a loaf of bread; to gouge a hole in a garment.
• To cheat in a bold or brutal manner; overreach in a bargain.

from the GNU version of the Collaborative International Dictionary of English.

• noun 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.
• noun A bookbinder's tool for blind tooling or gilding, having a face which forms a curve.
• noun An incising tool which cuts forms or blanks for gloves, envelopes, etc. from leather, paper, etc.
• noun (Mining) Soft material lying between the wall of a vein and the solid vein.
• noun The act of scooping out with a gouge, or as with a gouge; a groove or cavity scooped out, as with a gouge.
• noun Slang, U. S. Imposition; cheat; fraud; also, an impostor; a cheat; a trickish person.
• noun a boring bit, shaped like a gouge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A cut or groove, as left by something sharp.
• noun A chisel, with a curved blade, for scooping or cutting holes, channels, or grooves, in wood, stone, etc.
• noun A bookbinder's tool with a curved face, used for blind tooling or gilding.
• noun An incising tool that cuts forms or blanks for gloves, envelopes, etc.. from leather, paper, etc.
• noun mining Soft material lying between the wall of a vein and the solid vein.
• noun slang imposition; cheat; fraud
• noun slang An impostor; a cheat.
• verb transitive To make a mark or hole by scooping.
• verb transitive or intransitive To push, or try to push the eye (of a person) out of its socket.
• verb transitive To charge an unreasonably or unfairly high price.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb make a groove in
• noun the act of gouging
• noun an impression in a surface (as made by a blow)
• noun and edge tool with a blade like a trough for cutting channels or grooves
• verb force with the thumb
• verb obtain by coercion or intimidation