noun, noun or participle which takes 'suru'
neigh; whinny
Onomatopoeic word for the sound a horse makes. Often used with する to mean 'to neigh'.
馬がヒヒーンと鳴いた。
The horse neighed.
牧場からヒヒーンという声が聞こえた。
I heard a whinny from the ranch.
Standard katakana onomatopoeic spelling for a horse's neigh.
Onomatopoeic formation mimicking the sound of a horse's neigh.