also: きょうおん
noun
bad news; news of a death
A somewhat formal or literary term for bad news, especially news of someone's death. Often used in written contexts or solemn announcements.
遠方の親戚から凶音が届いた。
Bad news arrived from a distant relative.
彼の突然の凶音に、一同は言葉を失った。
Everyone was speechless at the sudden news of his death.
Compound of 凶 (bad, ominous) and 音 (sound, news). The exact historical derivation is uncertain, but the word is conventionally associated with receiving bad tidings.