quiet-hat
nounUK /ˈkwaɪət hæt/
US /ˈkwaɪət hæt/
A quiet-hat is a special hat you wear when you need to be very still and make no noise.
The teacher gave Mia a quiet-hat during reading time so she would not disturb the others.
OTHER MEANINGS
2. A metaphorical label for a person who has been told to stop talking or complaining.
After the meeting, the manager put a quiet-hat on anyone who questioned the new plan.
3. A soft padded cap worn to muffle sounds for a baby or pet.
The puppy wore a quiet-hat during the fireworks to stay calm.
4. A playful term for a device or setting that reduces noise.
He turned on the quiet-hat mode on his headphones and the world went silent.