a regulation imposed on all or particular people, esp during times of civil disturbance, requiring their withdrawal of all or particular people from the streets by a stated time
a signal for a curfew, the time at which it begins, or the period during which it is in effect
a signal, e.g. the sounding of a bell, announcing the beginning of a time of curfew
the hour at which a curfew becomes effective
the period during which a curfew is in effect
[Middle English from early French covrefeu, a signal given to bank the hearth fire, from covrir (see cover1) + feu fire, from Latin focus hearth]