n.
1.the time after sunset and before sunrise while it is dark outside
2.the time between sunset and midnight
3.the period spent sleeping
4.the dark part of the diurnal cycle considered a time unit
5.darkness
6.a shortening of nightfall
7.a period of ignorance or backwardness or gloom
8.Roman goddess of night
Idiom of the Day
new broom sweeps clean
a new person makes many changes
A new broom sweeps clean and when our new boss arrived he changed many things in our organization.