noun
poetic instinct; taste for haiku
Refers to a sensitivity or instinct for composing haiku, or an appreciation for the art. A somewhat literary or specialized term used in discussions of haiku aesthetics.
彼の句心は幼い頃から育まれた。
His poetic instinct for haiku was nurtured from a young age.
句心がなければ、良い俳句は作れない。
Without a taste for haiku, one cannot compose good haiku.