utility

(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”

The quality of being of practical use.

A company that performs a public service; subject to government regulation.

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.

(economics) a measure that is to be maximized in any situation involving choice.

The service (electric power or water or transportation) provided by a public utility.

Used of beef; usable but inferior.

Capable of substituting in any of several positions on a team.

“a utility infielder”