outdoorrule

noun
UK /ˈaʊt.dɔː.ruːl/
US /ˈaʊt.dɔːr.ruːl/

A rule that tells people how to behave when they are outside.

The park has an outdoorrule that says you must not pick the flowers.


OTHER MEANINGS

2. A rule that only applies in outdoor places, not inside buildings.

Wearing a helmet is an outdoorrule at the bike track.

3. A family or school rule about playing outside safely.

Our outdoorrule is to come home before the streetlights turn on.

4. A rule used during outdoor games or sports.

The outdoorrule says the ball must stay inside the chalk lines.