Definitions of utility:

  • noun:   the service provided by a utility company
  • noun:   a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal
  • noun:   the quality of being of practical use
  • noun:   a company that performs a public service; subject to government regulation
  • noun:   (economics) a measure that is to be maximized in any situation involving choice
  • noun:   (computer science) a program designed for general support of the processes of a computer
    Example: "A computer system provides utility programs to perform the tasks needed by most users"