Definitions from Wiktionary (Night)

▸ noun:  (countable) The time when the Sun is below the horizon when the sky is dark.
▸ noun:  (astronomy, countable) The period of darkness beginning at the end of evening astronomical twilight when the sun is 18 degrees below the horizon, and ending at the beginning of morning astronomical twilight.
▸ noun:  (law, countable) A period of time often defined in the legal system as beginning 30 minutes after sunset, and ending 30 minutes before sunrise.
▸ noun:  (countable) An evening or night spent at a particular activity.
▸ noun:  (countable) A day, or at least a night.
▸ noun:  (uncountable) Nightfall.
▸ noun:  (uncountable) Darkness (due to it being nighttime).
▸ noun:  (uncountable) A dark blue colour, midnight blue.
▸ noun:  (sports, colloquial) A night's worth of competitions, generally one game.
▸ verb:  To spend a night (in a place), to overnight.
▸ noun:  The 92nd sura (chapter) of the Qur'an.
▸ noun:  (Germanic paganism) The goddess of the night in Heathenry.

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