1. A company that performs a public service; subject to government regulation Noun
2. The quality of being of practical use Noun
3. The service (electric power or water or transportation) provided by a public utility Noun
4. (economics) a measure that is to be maximized in any situation involving choice Noun
5. (computer science) a program designed for general support of the processes of a computer Noun
6. 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
7. Used of beef; usable but inferior Adjective Satellite
8. Capable of substituting in any of several positions on a team Adjective Satellite