Definitions:
a cylinder that rotates about a central axis and is used in various machines and devices to move, flatten, or spread something

a long swelling wave that appears to roll steadily towards the shore

relating to or involving roller skates

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

a bird of a breed of tumbler pigeon.

a breed of canary with a trilling song.

a car made by rolls-royce.