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
measure up to (someone or something)
to be equal to someone or something, to be of the same quality as someone or something
The new accounting manager does not measure up to the previous accounting manager.