dangermark

noun
UK /ˈdeɪndʒəmɑːk/
US /ˈdeɪndʒərmɑːrk/

A dangermark is a sign that tells you something is not safe.

The red dangermark on the fence warned us to stay away from the broken bridge.


OTHER MEANINGS

2. A mark or symbol placed on a map to show a dangerous area.

The hikers checked the dangermark on the map before crossing the river.

3. A label on a product that warns of possible harm.

The cleaner bottle had a dangermark showing it was poisonous.

4. A signal in a game or story that danger is coming.

The flashing dangermark on the screen told players a monster was near.