night

noun

1. Roman goddess of night; daughter of Erebus; counterpart of Greek Nyx
2. the time after sunset and before sunrise while it is dark outside
3. a period of ignorance or backwardness or gloom
4. the period spent sleeping"I had a restless night"
5. the dark part of the diurnal cycle considered a time unit"three nights later he collapsed"
6. darkness"it vanished into the night"
7. a shortening of nightfall"they worked from morning to night"
8. the time between sunset and midnight"he watched television every night"