curfew

noun

1. 1.Any regulation requiring people to be off the streets and in their homes by a certain time.
2. 2.The time when such restriction begins.
3. 3.A signal indicating this time.
4. 4.A fireplace accessory designed to bank a fire by completely covering the embers.
5. 5.A regulation in feudal Europe by which fires had to be covered up or put out at a certain fixed time in the evening, marked by the ringing of an evening bell.