What is the actual, proper name of Ding Pang's famous curved sabre?

[Ken Cheng]

The famous curved sabre used by Ding Pang is called by many different names. I've seen it referred to as the "Full Moon Curved Sabre," the "Spring Rain Curved Sabre," and most awkwardly, the "Listening to the Spring Rain One Night at the Pavilion Sabre" (what a mouthful). What is the weapon's actual, proper name?

[whiteskwirl]

The words inscribed on it are: 小樓一夜聽春雨, so "Listening to the Spring Rain One Night at the Pavilion Sabre" is the most accurate. Doesn't translate elegantly to English. Full Moon Curved Sabre is actually what kind of sabre it is, and is also the title of the novel: 圓月彎刀.