night

noun

• 1the period of darkness in each twenty-four hours; the time from sunset to sunrise:a moonless night the office door is always locked at night
• the night as the interval between two days:a two-bedroom cabin costs $90 per night somebody put him up for the night
• the darkness of night:a line of watchfires stretched away into the night
• literary nightfall.

• 2the period of time between afternoon and bedtime; an evening:he was not allowed to go out on weekday nights
• an evening appointed for some activity, or spent or regarded in a certain way:wasn’t it a great night out?

exclamation

• short for good night.