Definition of "Utility" :

noun: the service (electric power or water or transportation) provided by a public utility

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: (computer science) a program designed for general support of the processes of a computer

"A computer system provides utility programs to perform the tasks needed by most users."

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

adjective: capable of substituting in any of several positions on a team

"A utility infielder."

adjective: used of beef; usable but inferior