Definition of: roller

(rō′lər) noun
1. One who or that which rolls anything.
2. Any cylindrical device that rolls.
3. The wheel of a caster or roller skate.
4. A rod for carrying a curtain, towel, map, or the like.
5. A heavy cylinder for rolling, smoothing, or crushing something: a steam roller.
6. Printing A cylindrical device, often of hard rubber, to spread the ink on a form before impressing on paper.
7. Surg. A long rolled bandage to be wrapped around a limb or the like.
8. One of a series of long, swelling waves which break on a coast, especially after a storm.
9. Ornithol. a An Old World bird of crowlike form with gaudy colors, remarkable for its irregular rolling or tumbling flight, especially the common roller (Coracias garrula) found in Europe. b A tumbler pigeon.