noun
haiku pen name; haiku pseudonym
A pen name used specifically by haiku poets when composing or publishing haiku.
彼の俳号は「一茶」です。
His haiku pen name is 'Issa'.
俳号を持つことで、俳句の世界での自分を表現できる。
By having a haiku pen name, you can express your identity in the world of haiku.