What is the meaning of Night?

The time when the Sun is below the horizon when the sky is dark.

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.

A period of time often defined in the legal system as beginning 30 minutes after sunset, and ending 30 minutes before sunrise.

An evening or night spent at a particular activity.

A day, or at least a night.

Nightfall.

Darkness (due to it being nighttime).

A dark blue colour, midnight blue.

A night's worth of competitions, generally one game.

Ellipsis of good night.

To spend a night (in a place), to overnight.

nightclub

Alternative form of nyght

nightlife (nocturnal entertainment activities, especially parties and shows)

Source: wiktionary.org