cautionsystem

noun
UK /ˈkɔːʃən ˌsɪstəm/
US /ˈkɔːʃən ˌsɪstəm/

A caution system is a set of tools that warns people about danger.

The factory's caution system beeps loudly when a machine gets too hot.


OTHER MEANINGS

2. A set of rules that tells people to be careful.

The school's caution system reminds students to walk in the halls.

3. A computer program that shows warnings on a screen.

The app's caution system popped up a message about the storm.

4. A group of lights or sounds that keep people safe.

The train's caution system flashes red before the gates close.