roller

Noun

• pigeon that executes backward somersaults in flight or on the ground

• Old World bird that tumbles or rolls in flight; related to kingfishers

• 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
    

• a cylinder that revolves

• a small wheel without spokes (as on a roller skate)

• a long heavy sea wave as it advances towards the shore

• a grounder that rolls along the infield

Related words

• Synonyms: 
  tumbler , tumbler pigeon , curler , hair curler , crimper , roll , rolling wave