also: はねおと
The sound of wings flapping or insects buzzing; covers both birds and insects.
鳥の羽音が聞こえた。
I heard the flapping sound of a bird's wings.
The sound of a flying arrow; a more specific, somewhat literary use.
矢の羽音が風を切った。
The arrow whizzed through the air.
蜂の羽音がうるさい。
The buzzing of the bees is annoying.
Standard kanji spelling; the reading はおと is the most common.
Alternate reading; less common but still encountered.
Compound of 羽 “wing” and 音 “sound,” referring to the sound made by beating wings. The entry reading combines は and おと.