Noah Webster
Dusk
DUSK, adjective [G., tarnish; to tarnish; to become dull or obscure. Gr.]
1. Tending to darkness, or moderately dark.
2. Tending to a dark or black color; moderately black.
DUSK, noun
1. A tending to darkness; incipient or imperfect obscurity; a middle degree between light and darkness; twilight; as the dusk of the evening.
2. Tendency to a black color; darkness of color.
Whose dusk set off the whiteness of the skin.
DUSK, verb transitive To make dusky. [Little Used.]
DUSK, verb intransitive To begin to lose light or whiteness; to grow dark. [Little Used.]