roller1

noun

• 1a cylinder that rotates around a central axis and is used in various machines and devices to move, flatten, or spread something.
• an absorbent revolving cylinder attached to a handle, used to apply paint.
• a small cylinder on which hair is rolled in order to produce curls.
• (also roller bandage) a long surgical bandage rolled up for convenient application.
• a long swelling wave that appears to roll steadily toward the shore.
• [as modifier] of, relating to, or involving roller skates:roller hockey

• 2a brightly colored crow-sized bird with predominantly blue plumage, having a characteristic tumbling display flight.

  [ late 17th century: from German Roller, from rollen 'to roll']

  • Genera Coracias and Eurystomus, family Coraciidae: several species, especially the widespread European roller (C. garrulus)

• 3a bird of a breed of tumbler pigeon.

• 4a bird of a breed of canary with a trilling song.

• 5a broad surcingle, typically padded at the withers.