utility
nounUK /juːˈtɪl.ə.ti/
US /juːˈtɪl.ə.t̬i/
A utility is something that is useful or helpful.
The flashlight is a handy utility when the power goes out.
OTHER MEANINGS
2. A service like water, gas, or electricity that people pay for.
Our monthly bills include rent and utilities.
3. A company that provides a public service such as power or water.
The utility sent a notice about a planned power outage.
4. In computing, a small program that helps the computer do a task.
She used a utility to clean up her files.