• (RP) IPA: /ˈnɒktɜːn/, /(ˌ)nɒkˈtɜːn/
• (GA) enPR nŏkʹtûrn', IPA: /ˈnɑkˌtɝn/, /ˈnɑktɚn/

nocturne (plural nocturnes)

1. A work of art relating or dedicated to the night.
2. (music) A dreamlike or pensive composition, usually for the piano.
   • 1907, Robert William Chambers, chapter VIII, in The Younger Set, New York, N.Y.: D. Appleton & Company, OCLC 24962326 ↗:

     “My tastes,” he said, still smiling, “incline me to the garishly sunlit side of this planet.” And, to tease her and arouse her to combat: “I prefer a farandole to a nocturne; I’d rather have a painting than an etching; Mr. Whistler bores me with his monochromatic mud; I don’t like dull colours, dull sounds, dull intellects; […].”

• diurne

• nocturnist
• nocturnal
• diurnal
• crepuscular

• French: nocturne
• German: Nachtstück (art), Nocturne (music), Nokturne (music, rare)
• Italian: notturno
• Portuguese: noturno
• Russian: ноктю́рн
• Spanish: nocturno