The noun utility has 6 senses (first 3 from tagged texts)
1. (6) utility, public utility, public utility company, public-service corporation -- (a company that performs a public service; subject to government regulation)
2. (1) utility, usefulness -- (the quality of being of practical use)
3. (1) utility -- (the service (electric power or water or transportation) provided by a public utility; "the cost of utilities never decreases"; "all the utilities were lost after the hurricane")
4. utility -- ((economics) a measure that is to be maximized in any situation involving choice)
5. utility program, utility, service program -- ((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")
6. utility -- (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; "the price of the house included all utilities")
Overview of adj utility
The adj utility has 2 senses (no senses from tagged texts)
1. utility, utility-grade -- (used of beef; usable but inferior)
2. utility, substitute -- (capable of substituting in any of several positions on a team; "a utility infielder")