curler(n = noun.artifact) crimper, hair curler, roller - a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it; "a woman with her head full of curlers is not a pretty sight"
A player at the game called curling. Burns. [1913 Webster]
A small cylindrical object sometimes having a clamping attachment, around which hair is wound so as to produce curls; as, she slept all night with a head full of curlers. [PJC]
an electrical appliance with a handle and a metal rod-shaped tip which is heated and around which hair is wound, to produce curls in the hair; -- called also curling iron. [PJC]