Definitions from Wiktionary ( )

▸ noun:  (heading) Anything that rolls.
▸ noun:  Any rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure.
▸ noun:  A cylindrical (or approximately cylindrical) item used under a heavy object to facilitate moving it; usually several are needed.
▸ noun:  A person who rolls something, such as cigars or molten metal.
▸ noun:  (cricket) A large rolling device used to flatten the surface of the pitch.
▸ noun:  A cylindrical tool for applying paint or ink.
▸ noun:  An agricultural machine used for flattening land and breaking up lumps of earth.
▸ noun:  One of a set of small cylindrical tubes used to curl hair.
▸ noun:  A roller towel.
▸ noun:  A small wheel, as of a caster, a roller skate, etc.
▸ noun:  A rolling element inside a roller bearing: a small cylinder or sphere of metal.
▸ noun:  (cycling) One of a set of rolling cylinders allowing a rider to practise balance while training indoors.
▸ noun:  Any insect whose larva rolls up leaves, especially those in family Tortricidae.
▸ noun:  A dung beetle that rolls dung into balls.
▸ noun:  A cylinder snakes, small ground snakes of the genus Cylindrophis.
▸ noun:  A rolling pin
▸ noun:  (disc golf) A throw which involves the player throwing the disc in a way that makes it roll, by that being able to travel further than if thrown in the air. Only used on holes with open areas with short or no grass.
▸ noun:  A long wide bandage used in surgery.
▸ noun:  A large, wide, curling wave that falls back on itself as it breaks on a coast.
▸ noun:  (heading) A bird.
▸ noun:  A breed or variety of roller pigeon that rolls (i.e. tumbles or somersaults) backwards (compare Penson roller, Birmingham roller, tumbler).
▸ noun:  Any of various aggressive birds, of the family Coraciidae, having bright blue wings and hooked beaks.
▸ noun:  A police patrol car or patrolman (rather than an unmarked police car or a detective)
▸ noun:  A padded surcingle that is used on horses for training and vaulting.
▸ noun:  (television, film) A roll of titles or (especially) credits played over film or video; television or film credits.
▸ noun:  (slang) A wheelchair user.
▸ noun:  (slang, informal) A Rolls-Royce motorcar.
▸ noun:  (slang, music) A type break that consists of drum rolls; a drum and bass track made with such breaks.
▸ verb:  (intransitive) To roller skate.
▸ noun:  (slang) A Rolls-Royce car

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