Definition of: dusk

(dusk) noun
1. A state between darkness and light; twilight.
2. Swarthiness; shadowiness.
—adjective
1. Somewhat dark or obscure by reason of failing or feeble light; dim.
2. Dark in color; swarthy.
—v.t. v.i. To make, grow, or appear shadowy or dim; darken. [OE dox]