Definitions of fracture:

• noun:   the act of cracking something
• noun:   breaking of hard tissue such as bone

  Example: "It was a nasty fracture"

• noun:   (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other
• verb:   break into pieces

  Example: "The pothole fractured a bolt on the axle"

• verb:   fracture a bone of
• verb:   break (a bone)
• verb:   become fractured

  Example: "The tibia fractured from the blow of the iron pipe"

• verb:   interrupt, break, or destroy

  Example: "Fracture the balance of power"

• verb:   violate or abuse

  Example: "This writer really fractures the language"