Definitions
1.nounThe time of the day between dusk and night, when it gets dark.
2.nounThe time of the day between the approximate time of midwinter dusk and midnight (compare afternoon); the period after the end of regular office working hours.
3.nounA concluding time period; a point in time near the end of something; the beginning of the end of something."It was the evening of the Roman Empire."
4.nounA party or gathering held in the evening.
5.adverb(somewhat dated) In the evening, during the evening.