adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
winding; meandering; zigzagging
Describes a long, wavy, twisting shape or movement, like a winding road, river, or snake. Often used with と or as a する verb.
この道はうねうねと山の上まで続いている。
This road winds its way up the mountain.
The river meanders along.