The Willow Barrel; Haifu Yanagidaru
Abbreviated title for a well-known collection of Edo-period senryū (comic haiku). The full title is 誹風柳多留 (Haifū Yanagidaru).
Yanagidaru is a work that collects senryū from the Edo period.
The genre of comic haiku featured in this collection.
The title is a proper name; 柳 (willow) and 多留 (many remain) are used phonetically or symbolically. The exact derivation of the name is uncertain.