2. roller a cylinder, wheel, or caster on which something is rolled along.
3. roller a cylinder revolving on a fixed axis, esp. to aid the movement of something passed over or around it.
4. roller a cylinder on which something is rolled up: the roller of a window shade.
5. roller a hollow cylinder on which hair is rolled up for setting.
6. roller a cylinder for spreading, crushing, or flattening something.
7. roller a long, swelling wave.
8. (n.)roller any of various medium-sized, often brightly colored Old World birds of the family Coraciidae, that tumble or roll over during display flights.
Etymology: (1655–65; < G Roller, der. of rollen to roll)
2. (noun)roller, roll, rolling wave a long heavy sea wave as it advances towards the shore
3. (noun)roller a smallwheel without spokes (as on a roller skate)
4. (noun)roller a cylinder that revolves
5. (noun)curler, hair curler, roller, crimper a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it "a woman with her head full of curlers is not a pretty sight"
6. (noun)roller Old World bird that tumbles or rolls in flight; related to kingfishers
7. (noun)roller, tumbler, tumbler pigeon pigeon that executes backward somersaults in flight or on the ground
Definition of 'roller'
Webster Dictionary
1. (noun)roller one who, or that which, rolls; especially, a cylinder, sometimes grooved, of wood, stone, metal, etc., used in husbandry and the arts
2. (noun)roller a bandage; a fillet; properly, a long and broadbandage used in surgery
3. (noun)roller one of series of long, heavy waves which roll in upon a coast, sometimes in calm weather
4. (noun)roller a long, belt-formed towel, to be suspended on a rolling cylinder; -- called also roller towel
5. (noun)roller a cylinder coated with a composition made principally of glue and molassess, with which forms of type are inked previously to taking an impression from them
6. (noun)roller a long cylinder on which something is rolled up; as, the roller of a man
7. (noun)roller a small wheel, as of a caster, a roller skate, etc
9. (noun)roller any one of numerous species of Old World picarian birds of the family Coraciadae. The name alludes to their habit of suddenly turning over or "tumbling" in flight
10. (noun)roller any species of small ground snakes of the family Tortricidae
Sense: any of a number of tube-shaped objects, or machines fitted with one or more such objects, for flattening, crushing, printing etc a garden roller; a road-roller.
Definitions of roller 
Afrikaans: roller
Arabic: مِدْحَلَه
Bulgarian: валяк
Brazilian: cilindro
Czech: válec
German: die Walze
Danish: tromle; -tromle
Greek: κύλινδρος, οδοστρωτήρας
Spanish: rodillo
Estonian: rull
Farsi: مهر غلتان؛ غلتک
Finnish: jyrä, rulla
French: rouleau
Hebrew: מַכבֵּש, מַעֲגִילָה
Hindi: बेलन
Croatian: valjak
Hungarian: henger
Indonesian: penggilas
Icelandic: kefli, valtari
Italian: rullo; compressore
Japanese: ローラー
Korean: 롤러(땅고르는 기계, 밀방망이, 밀대, 페인트
Lithuanian: volas, velenas
Latvian: veltnis; rullis
Malay: penggelek
Dutch: wals
Norwegian: valse, trommel
Polish: walec
Persian: مهر غلتان؛ غلتک
Pashto: لنګر
Portuguese: cilindro
Romanian: a se scurge
Russian: каток
Slovak: valec
Slovenian: valjar
Serbian: valjak
Swedish: rulle, vals, vält, kavel
Thai: ลูกกลิ้ง
Turkish: silindir
Taiwanese: 滾軋機
Ukrainian: коток
Urdu: رولنے والا
Vietnamese: con lăn
Chinese: 滚轧机
