coldrule
nounUK /ˈkəʊldruːl/
US /ˈkoʊldruːl/
A coldrule is a rule that makes people stay calm and not get too excited.
The teacher made a coldrule that everyone must whisper during quiet time.
OTHER MEANINGS
2. A rule that keeps things cool or cold, like in a fridge.
The fridge has a coldrule about not leaving the door open.
3. A strict rule that feels unfriendly or chilly.
The new coldrule at the pool said no laughing.
4. A rule used during winter or cold weather.
The school's coldrule says we must wear coats at recess.