Definition of "night-piece" [night-piece]

• A picture representing some night-scene; a nocturne; also, a picture so painted as to show to the best advantage by artificial light. (noun)
• A piece of literary composition descriptive of a scene by night. (noun)

The Century Dictionary (Public Domain)

• "Pope thought "the most beautiful night-piece that can be found in poetry.""
• "Webster is the Gherardo della Notte of his day, and himself calls his "Vittoria Corombona" a "night-piece.""
• "He has written a Nocturne that gets farther from being a mere imitation of Chopin than almost any night-piece written since the Pole appropriated that form bodily from John Field and made it his own."