idlefunction

noun
UK /ˈaɪdəl ˈfʌŋkʃən/
US /ˈaɪdəl ˈfʌŋkʃən/

A job that does nothing and just waits until it is needed.

The robot's idle function keeps it still until you press the start button.


OTHER MEANINGS

2. A small helper in a computer program that runs only when the computer is not busy.

The idle function cleans up memory while the screen is off.

3. A feature that keeps a machine resting safely instead of working.

The car's idle function keeps the engine quiet at a red light.

4. A pretend job given to someone so they feel busy but do nothing important.

His idle function at the office was just to wave at visitors.