adverb taking the 'to' particle, noun or participle which takes 'suru'
spinning around; revolving
Describes a quick, single spinning or revolving motion, often with と and verbs like 回る or 回す.
コマがくるんと回った。
The top spun around with a whirl.
adverb taking the 'to' particle, noun or participle which takes 'suru'
Describes something curling or coiling once, like a strand of hair or a ribbon. Often used with と and verbs like 巻く or 曲がる.
リボンがくるんと巻かれている。
The ribbon is curled up.