loopindicator
nounUK /ˈluːpˌɪndɪkeɪtə/
US /ˈluːpˌɪndɪkeɪtər/
A loop indicator is a small sign or light that shows something is happening in a circle.
The loop indicator on the machine turned green when the cycle started.
OTHER MEANINGS
2. A device that shows whether a repeating process is running.
The engineer checked the loop indicator to confirm the system was active.
3. A symbol on a screen that marks a repeating section of code.
The programmer spotted the loop indicator beside the repeated instructions.
4. A light that signals a closed circuit is complete.
When the wire was connected, the loop indicator lit up.