longitudinal winding; vertical curling
Refers to winding or curling something along its length, such as hair styled in vertical ringlets or spiral curls. The term is especially common in beauty and hairstyling contexts.
She went to the party with her hair in vertical curls.
The vertical curls are nicely set.
vertical roll curls; ringlets; sausage curls
Compound of 縦 (tate, 'vertical') and 巻き (maki, 'winding'). The term straightforwardly describes winding or curling something in a vertical direction.