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roller

 - 10 dictionary results
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roll⋅er

1  [roh-ler]
Use roller in a Sentence
–noun
1. a person or thing that rolls.
2. a cylinder, wheel, caster, or the like, upon which something is rolled along.
3. a cylindrical body, revolving on a fixed axis, esp. one to facilitate the movement of something passed over or around it.
4. a cylindrical object upon which something is rolled up: the roller of a window shade.
5. a hollow, cylindrical object of plastic, stiff net, or the like, upon which hair is rolled up for setting.
6. a cylindrical body for rolling over something to be spread out, leveled, crushed, smoothed, compacted, impressed, inked, etc.
7. any of various other revolving cylindrical bodies, as the barrel of a music box.
8. Metalworking. a person in charge of a rolling mill.
9. a long, swelling wave advancing steadily.
10. a rolled bandage.
Origin:
1375–1425; late ME; see roll, -er 1

Synonyms:
9. breaker, comber.
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roll⋅er

2  [roh-ler]
–noun Ornithology.
1. any of several Old World birds of the family Coraciidae that tumble or roll over in flight, esp. in the breeding season.
2. tumbler (def. 9).
3. one of a variety of canaries having a warbling or trilling song.
Origin:
1655–65; < G Roller, deriv. of rollen to roll

tum⋅bler

  [tuhm-bler]
–noun
1. a person who performs leaps, somersaults, and other bodily feats.
2. (in a lock) any locking or checking part that, when lifted or released by the action of a key or the like, allows the bolt to move.
3. a stemless drinking glass having a flat, often thick bottom.
4. (in a gunlock) a leverlike piece that by the action of a spring forces the hammer forward when released by the trigger.
5. Machinery.
a. a part moving a gear into place in a selective transmission.
b. a single cog or cam on a rotating shaft, transmitting motion to a part with which it engages.
6. a tumbling box or barrel.
7. a person who operates a tumbling box or barrel.
8. one of a breed of dogs resembling a small greyhound, used formerly in hunting rabbits.
9. Also called roller. one of a breed of domestic pigeons noted for the habit of tumbling backward in flight.
10. a toy, usually representing a fat, squatting figure, that is weighted and rounded at the bottom so as to rock when touched.
11. a tumbrel or tumble cart.
Origin:
1300–50; ME: acrobat; see tumble, -er 1 . Compare LG tümeler drinking-cup, kind of pigeon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To roller
roll·er 1   (rō'lər)   
n.  

  1. One that rolls or performs a rolling operation or activity.

  2. Any of various cylindrical or spherical devices that roll or rotate, especially:

    1. A small spokeless wheel, such as that of a roller skate or caster.

    2. An elongated cylinder on which something, such as a window shade or towel, is wound.

    3. A heavy revolving cylinder that is used to level, crush, or smooth.

    4. Printing A cylinder, usually of hard rubber, used to ink the type before the paper is impressed.

    5. A cylinder of wire mesh, foam rubber, or other material around which a strand of hair is wound to produce a soft curl or wave.

  3. A long rolled bandage.

  4. A heavy swelling wave that breaks on a coast.

  5. A tumbler pigeon.

rol·ler 2   (rō'lər)   
n.  

  1. Any of various Old World birds of the family Coraciidae, having bright blue wings, stocky bodies, and hooked bills. They are noted for their aggressiveness and their habit of rolling and twisting in flight, especially during the breeding season.

  2. A canary that trills.


[German, from rollen, to roll, burble; see rollmops.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary
roller

  1. n.
    a police car. : There are rollers in the next block, driving slow, looking for someone.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Word Origin & History

roller  (n.)
c.1420, "rolling pin," from roll (v.). Meaning "hair-curler" is attested from 1795. Religious holy roller is attested from 1842, Amer.Eng. Roller-skate first attested 1863, Amer.Eng.; the verb is from 1928. Rollerblade is first attested 1985, a registered proprietary name in U.S. Roller-coaster is recorded from 1888; roller derby is from 1936.

tumbler 
c.1340, "acrobat," from tumble (v.). A fem. form was tumbester (c.1386). Meaning "drinking glass" is recorded from 1664, originally a glass with a rounded or pointed bottom which would cause it to "tumble," and thus it could not be set down until it was empty.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: roller
—see TONGUE ROLLER
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Encyclopedia

roller

any of about 12 species of Old World birds constituting the family Coraciidae (order Coraciiformes), named for the dives and somersaults they perform during the display flights in courtship. The family is sometimes considered to include the ground rollers and cuckoo rollers. Rollers inhabit warm regions from Europe and Africa to Australia.

Learn more about roller with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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