peacecap
nounUK /ˈpiːs.kæp/
US /ˈpiːs.kæp/
A peacecap is a soft hat you wear to help you feel calm and quiet.
She put on her peacecap and sat quietly by the window.
OTHER MEANINGS
2. A small cover or cap placed on something to keep it safe and still.
He fitted a peacecap on the jar so nothing would spill.
3. A symbol worn to show that someone wants peace.
The children made paper peacecaps for the school parade.
4. A gentle ending that brings a fight to a stop.
The two teams agreed to a peacecap and shook hands.