p.pr. & ·vb.n. of curl.
2. curling ·noun a scottish game in which heavy weights of stone or iron are propelled by hand over the ice towards a mark.
3. curling ·noun the act or state of that which curls; as, the curling of smoke when it rises; the curling of a ringlet; also, the act or process of one who curls something, as hair, or the brim of hats.