Definition of roller noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈrəʊlə(r)//
    ; NAmE NAmE//ˈroʊlər//
    Styling hair, Hair products and accessories, How machines work
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  1. 1a piece of wood, metal or plastic, shaped like a tube, that rolls over and over and is used in machines, for example to make something flat, or to move something the heavy steel rollers under the conveyor belt See related entries: How machines work
  2. 2(often in compounds) a machine or piece of equipment with a part shaped like a tube so that it rolls backwards and forwards. It may be used for making something flat, crushing or spreading something. Flatten the surface of the grass with a roller. a paint roller see also steamroller
  3. 3a piece of wood or metal, shaped like a tube, that is used for moving heavy objects We'll need to move the piano on rollers.
  4. 4a long, powerful wave in the sea/ocean Huge Atlantic rollers crashed onto the rocks.
  5. 5a small plastic tube that hair is rolled around to give it curls synonym curler heated rollers Her hair was in rollers. See related entries: Styling hair, Hair products and accessories
  6. see also high roller
See the Oxford Advanced American Dictionary entry: roller