What is the meaning of Dusk?

Tending to darkness or blackness; moderately dark or black; dusky.

The time after the sun has set but when the sky is still lit by sunlight; the evening twilight period.

A darkish colour.

The condition of being dusky; duskiness

To begin to lose light or whiteness; to grow dusk.

To make dusk.

Alternative form of dosk

Source: wiktionary.org