Roller (disambiguation)
Roller may mean:

In biology:
  • Roller
    The rollers are an Old World family, Coraciidae, of near passerine birds. The group gets its name from the aerial acrobatics some of these birds perform during courtship or territorial flights. Rollers resemble crows in size and build, and share the colourful appearance of kingfishers and...

    , family of brightly coloured near passerine birds in the genera Coracias and Eurystomus
  • Roller (pigeon)
    Roller (pigeon)
    A Roller pigeon is a breed or variety of domesticated pigeon which has been bred for its ability to tumble or roll in the air.For specific varieties of roller pigeons please see:*Birmingham Roller*Galaţi roller*Oriental Roller*Parlor Roller...

    , varieties of domestic pigeons that tumble or roll in flight.

In industry:
  • Roller (machine part), a cylindrical machine component or a component of a roller bearing
  • Roller (agricultural tool)
    Roller (agricultural tool)
    The roller is an agricultural tool used for flattening land or breaking up large clumps of soil, especially after ploughing. Typically, rollers are pulled by tractors or, prior to mechanisation, a team of animals such as horses or oxen....

    , an agricultural or gardening implement for leveling ground
  • Road roller
    Road roller
    A road roller is a compactor type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations, similar rollers are used also at landfills or in agriculture.In some parts of the world, road rollers are still known colloquially as steam...

     (also called 'roller-compactor' or steam roller
    A steamroller is a form of road roller – a type of heavy construction machinery used for levelling surfaces, such as roads or airfields – that is powered by a steam engine...

    ), a heavy machine used in construction of roads & foundations
  • Rolling mill, heavy machine with cylindrical rolls, used in a steel mill: see also hot rolling and cold rolling
  • wheel
    A wheel is a device that allows heavy objects to be moved easily through rotating on an axle through its center, facilitating movement or transportation while supporting a load, or performing labor in machines. Common examples found in transport applications. A wheel, together with an axle,...

    , a wheel, often trapped on an axle between two planes, on which a load can be carried and transported.

As a personal surname:
  • A. Clyde Roller
    A. Clyde Roller
    Archie Clyde Roller was an American music professor and conductor.Roller, a native of Rogersville, Missouri, received his musical education at the Eastman School of Music, graduating in 1941...

    , an American conductor and music educator

Other uses:
  • A mathematical "roller" is a Curve of constant width
    Curve of constant width
    In geometry, a curve of constant width is a convex planar shape whose width, defined as the perpendicular distance between two distinct parallel lines each intersecting its boundary in a single point, is the same regardless of the direction of those two parallel lines.More generally, any compact...

  • Roller, an Autobot component of Optimus Prime
    Optimus Prime
    Optimus Prime is a fictional character from the Transformers franchise. Prime is the leader of the autobots, a faction of transforming robots from the planet Cybertron. The autobots are constantly waging war against a rival faction of transforming robots called Decepticons...

  • Rollers can refer to a light bar
    Light bar
    Emergency vehicle lighting refers to any of several visual warning devices, which may be known as light bars or beacons, fitted to a vehicle and used when the driver wishes to convey to other road users the urgency of their journey, to provide additional warning of a hazard when stationary, or in...

     specifically, and by extension, a Police Car
    Police car
    A police car is a ground vehicle used by police, to assist with their duties in patrolling and responding to incidents. Typical uses of a police car include transportation for officers to reach the scene of an incident quickly, to transport criminal suspects, or to patrol an area, while providing a...

  • a padded surcingle
    A surcingle is a strap made of leather or leather-like synthetic materials such as nylon or neoprene, sometimes with elastic, that fastens around a horse's girth area. A surcingle may be used for ground training, some types of in-hand exhibition, and over a saddle or horse pack to stabilize the load...

    , that is used on horses for training and vaulting
  • Bicycle rollers
    Bicycle rollers
    Bicycle rollers are a type of bicycle trainer that make it possible to ride a bicycle indoors without moving forward. However, unlike other types of bicycle trainers, rollers do not attach to the bicycle frame, and the rider must balance him or herself on the rollers while training...

    , a type of bicycle trainer
  • Roller (brush), a type of rotating paintbrush
  • Rollerball pen
    Rollerball pen
    Rollerball pens are pens which use ball point writing mechanisms with water-based liquid or gelled ink, as opposed to the oil-based viscous inks found in ballpoint pens...

    s (or roller pens), a type of writing instrument
  • Rolls-Royce, nickname for the motor car brand
  • The Australia men's national wheelchair basketball team
    Australia men's national wheelchair basketball team
    The Australia men's national wheelchair basketball team is the men's wheelchair basketball side that represents Australia in international competitions. The team is known as the Rollers...

    , officially nicknamed "Rollers"
  • the Rollers, rock band which evolved from the Bay City Rollers
  • Apache Roller
    Apache Roller
    Apache Roller is a Java-based Open Source "full-featured, Multi-blog, Multi-user, and group-blog server suitable for blog sites large and small". Roller was originally written by Dave Johnson in 2002 for a magazine article on open source development tools, but became popular at and...

    , a blog server written in Java
  • Hair roller
    Hair roller
    A Hair roller is a small roller used in hair care for styling and curling hair, and with a blowdryer. It can be made from synthetic sponge or plastic covered with velcro.- Hair curling :...

    , also known as hot roller, an implement used in hairdressing to curl hair
  • Paint roller
    Paint roller
    A paint roller is a paint application tool used for painting large flat surfaces rapidly and efficiently.A paint roller typically consists of two parts: a "roller frame," and a "roller cover." The roller cover absorbs the paint and transfers it to the painted surface. The roller frame attaches to...

  • Roller (BEAM)
    Roller (BEAM)
    In BEAM robotics, a Roller is a robot that has a mode of locomotion by rolling all or part of the robot.-Genera:* Symets : Driven mode of locomotion via a single motor...

    , a kind of robot that moves by rolling.
  • "Roller", an April Wine
    April Wine
    April Wine is a Canadian rock band formed in 1969. According to the band, they chose the name 'April Wine' simply because members thought the two words sounded good together...

  • Roller (Transformers), a fictional character
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