roller
noun /ˈrəʊlə(r)/
  /ˈrəʊlər/
 
enlarge imagea 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
enlarge image- 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.
 
- a long, powerful wave in the sea
- Huge Atlantic rollers crashed onto the rocks.
 
 - a small plastic tube that hair is rolled around to make it curly synonym curler
- heated rollers
 - in rollers Her hair was in rollers.
 
 see also high roller 

