noun
poetic sentiment (waka); waka-composing mood; solid grounding in waka; meaning of a waka poem
Refers to the aesthetic sensibility, emotional depth, or technical understanding needed for composing or appreciating classical waka poetry. The term is strongly tied to traditional Japanese poetics.
彼の短歌には深い歌心が感じられる。
One can feel a deep poetic sentiment in his tanka.
歌心がなければ、良い和歌は詠めない。
Without a waka-composing mood, you cannot compose good waka.