utility

The quality or condition of being useful; usefulness.

A useful article or device.

A public utility.

A commodity or service, such as electricity, water, or public transportation, that is provided by a public utility.

A utility program.

Used, serving, or working in several capacities as needed, especially.

Prepared to play any of the smaller theatrical roles on short notice.

Capable of playing as a substitute in any of several positions.

Designed for various often heavy-duty practical uses.