n. One who, or that which, crimps; as: (a) A curved board or frame over which the upper of a boot or shoe is stretched to the required shape. (b) A device for giving hair a wavy appearance. (c) A machine for crimping or ruffling textile fabrics. [ 1913 Webster ]
(n) a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it, Syn. roller, hair curler, crimper, Example:a woman with her head full of curlers is not a pretty sight