Definition of "chisel"

noun:
- A cutting tool consisting of a slim oblong block of metal with a sharp wedge or bevel formed on one end. It may be provided with a handle at the other end. It is used to remove parts of stone, wood or metal by placing the sharp edge against the material to be cut and pushing or pounding the other end with a hammer, or mallet.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
verb:
- To use a chisel.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- To work something with a chisel.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- (informal) To cheat, to get something by cheating.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License