This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of dusk.

"Softly throbbing, voice and strings arose on sensuous crests of song, died away to whisperings and caresses, drifted through love-dusks and twilights, or swelled again to love-cries barbarically imperious in which were woven plaintive calls and madnesses of invitation and promise."

disk   

discs    risks    whisks