Noun

(en noun)

(lb) Anything that rolls.

#Any rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure.

#A person who rolls something, as in "cigar roller".

#(lb) A heavy rolling device used to flatten the surface of the pitch.

#A cylindrical tool for applying paint or ink.

#An agricultural machine used for flattening land and breaking up lumps of earth.

#One of a set of small cylindrical tubes used to curl hair.

#A roller towel.

#A small wheel, as of a caster, a roller skate, etc.

#Any insect whose larva rolls up leaves.

#Any of the small ground snakes of the family .

A long wide bandage used in surgery.

A large, wide, curling wave that falls back on itself as it breaks on a coast.

*

*:He and Gerald usually challenged the rollers in a sponson canoe when Gerald was there for the weekend?; or, when Lansing came down, the two took long swims seaward or cruised about in Gerald's dory, clad in their swimming-suits?; and Selwyn's youth became renewed in a manner almost ridiculous,.

(lb) A bird.

#A breed or variety of roller pigeon that rolls (i.e. tumbles or somersaults) backwards (compare Penson roller, Birmingham roller, tumbler, tumbler pigeon, English Short Faced Tumbler, English Long Faced Tumbler).

#Any of various aggressive birds, of the family Coraciidae, having bright blue wings and hooked beaks.

(also written Roller) A car made by Rolls-Royce.

The police (old blues slang).

A padded surcingle that is used on horses for training and vaulting.

A roll of titles or (especially) credits played over film or video; television or film credits.

*2006 , (Clive James), North Face of Soho , Picador 2007, p. 69:

*:I learned a lot from watching, but the part that I should have studied harder was the roller . The names of the writers went on for ever.

Noun

(en noun)

A rotating part of a mechanical device, for example in an electric motor, generator, alternator or pump.

*{{quote-magazine, year=2013, month=July-August, author= Lee S. Langston, magazine=(American Scientist)

, title= The Adaptable Gas Turbine , passage=Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo'', meaning ''vortex , and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor , which is attached to a shaft that can perform useful work.}}

The wing of a helicopter or similar aircraft.