transitive. To curl into short, stiff, wavy folds, or crinkles; to crimp.

To bend, twist, or coil up into a spiral or incurved shape; to make curls or undulations upon (a surface); to ripple (water). Often with up.

To press into folds or waves. transitive. To make waves or curls in (hair), usually with a hot iron.

transitive. To coil or twist (a thing). Now rare.