The noun dusk has 1 sense (first 1 from tagged texts)
1. (5) twilight, dusk, gloaming, gloam, nightfall, evenfall, fall, crepuscule, crepuscle -- (the time of day immediately following sunset; "he loved the twilight"; "they finished before the fall of night")
Overview of verb dusk
The verb dusk has 1 sense (no senses from tagged texts)