a grounder that rolls along the infield

a long heavy sea wave as it advances towards the shore

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

a cylinder that revolves

a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it

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

pigeon that executes backward somersaults in flight or on the ground

bandage consisting of a strip of sterile fabric (of variable width) rolled into a cylinder to facilitate application

bearings containing small metal balls

a drill bit that has hardened rotating rollers

a window shade that rolls up out of the way

anything characterized by abrupt and extreme changes (especially up and down)

elevated railway in an amusement park (usually with sharp curves and steep inclines)

a shoe with pairs of rollers fixed to the sole

travel on shoes with steel or rubber rollers attached to their soles

skating on wheels

a towel with the ends sewn together, hung on a roller

someone who engages in roller skating

(trademark) an in-line skate

travel on shoes with a single line of rubber wheels attached to their soles

a skater who uses Rollerblades

skating using Rollerblades