travel on shoes with steel or rubber rollers attached to their soles
a grounder that rolls along the infield
a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
a small wheel without spokes (as on a roller skate)
pigeon that executes backward somersaults in flight or on the ground
a cylinder that revolves
sports equipment that is worn on the feet to enable the wearer to glide along and to be propelled by the alternate actions of the legs
large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins
move along on skates
