Read the dictionary definition of roller. All definitions for this word.
1. a grounder that rolls along the infield
2. pigeon that executes backward somersaults in flight or on the ground
3. Old World bird that tumbles or rolls in flight; related to kingfishers
4. a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
1. a woman with her head full of curlers is not a pretty sight
5. a cylinder that revolves
6. a small wheel without spokes (as on a roller skate)
7. a long heavy sea wave as it advances towards the shore