- a person or thing that rolls.
- a cylinder, wheel, caster, or the like, upon which something is rolled along.
- a cylindrical body, revolving on a fixed axis, especially one to facilitate the movement of something passed over or around it.
- a cylindrical object upon which something is rolled up: the roller of a window shade.
- a hollow, cylindrical object of plastic, stiff net, or the like, upon which hair is rolled up for setting.
- a cylindrical body for rolling over something to be spread out, leveled, crushed, smoothed, compacted, impressed, inked, etc.
- any of various other revolving cylindrical bodies, as the barrel of a music box.
- Metalworking. a person in charge of a rolling mill.
- a long, swelling wave advancing steadily.
- a rolled bandage.
- any of several Old World birds of the family Coraciidae that tumble or roll over in flight, especially in the breeding season.
- tumbler(def 9).
- one of a variety of canaries having a warbling or trilling song.
- a cylinder having an absorbent surface and a handle, used for spreading paint
- Also called: garden roller a heavy cast-iron cylinder or pair of cylinders on an axle to which a handle is attached; used for flattening lawns
- a long heavy wave of the sea, advancing towards the shoreCompare breaker 1 (def. 2)
- a hardened cylinder of precision-ground steel that forms one of the rolling components of a roller bearing or of a linked driving chain
- a cylinder fitted on pivots, used to enable heavy objects to be easily moved; castor
- printing a cylinder, usually of hard rubber, used to ink a forme or plate before impression
- a cylindrical tube or barrel onto which material is rolled for transport or storage
- any of various other cylindrical devices that rotate about a cylinder, used for any of various purposes
- a small cylinder, esp one that is heated, onto which a woman’s hair may be rolled to make it curl
- med a bandage consisting of a long strip of muslin or cheesecloth rolled tightly into a cylindrical form before application
- a band fastened around a horse’s belly to keep a blanket in position
- any of various Old World birds of the family Coraciidae, such as Coracias garrulus (European roller), that have a blue, green, and brown plumage, a slightly hooked bill, and an erratic flight: order Coraciiformes (kingfishers, etc)
- (often capital) a variety of tumbler pigeon that performs characteristic backward somersaults in flight
- a breed of canary that has a soft trilling song in which the notes are run together
- a person or thing that rolls
- Australian a man who rolls and trims fleeces after shearing
- short for roadroller, steamroller
- short for roller caption
late 13c., “thing that rolls;” early 15c., “rolling pin,” agent noun from roll (v.). Meaning “hair-curler” is attested from 1795. Roller derby is from 1936 (see derby); roller hockey from 1926. Disparaging religious term holy roller is attested from 1842, American English, from the alleged rolling in the church aisles done by those in the Spirit.