roller in WordNet English dictionary

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