noun
sorrowful wind; melancholy wind
Poetic term, often referring to the autumn wind that evokes sadness or loneliness.
悲風が吹き荒れる荒野を一人歩いた。
I walked alone across the wilderness where a sorrowful wind was raging.
秋の夕暮れ、悲風が木々を揺らしていた。
In the autumn twilight, a melancholy wind was shaking the trees.