roller
roh ler
- n a grounder that rolls along the infield
- n a long heavy sea wave as it advances towards the shore
- n a small wheel without spokes (as on a roller skate)
- n a cylinder that revolves
- n a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
- n Old World bird that tumbles or rolls in flight; related to kingfishers
- n pigeon that executes backward somersaults in flight or on the ground
- A new generation of roller coasters is scarier -- but safer -- than ever.
- Roller-skating takes off Every weekday morning, Mechanical Engineer John Buchan, 23, dresses neatly in a suit and tie and roller-skates seven miles across San Francisco to.
- Despite some high-profile accidents, roller coasters are surprisingly safe.