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

roller

noun
 
/ˈrəʊlə(r)/
 
/ˈrəʊlər/
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  1. a piece of wood, metal or plastic, like a tube in shape, that rolls over and over, used as a tool or as part of a machine, for example to make something flat or to move something
    • Flatten the surface of the grass with a roller.
    • a paint roller
    • the heavy steel rollers under the conveyor belt
    • We'll need to move the piano on rollers.
    see also foam roller, steamrollerTopics Engineeringc2
  2. a long, powerful wave in the sea
    • Huge Atlantic rollers crashed onto the rocks.
  3. a small plastic tube that hair is rolled around to make it curly synonym curler
    • heated rollers
    • in rollers Her hair was in rollers.
    Topics Appearancec2
  4. see also high roller
See roller in the Oxford Advanced American Dictionary
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