roller — English Dictionary

roller
Pronunciations (4)
  • /ˈɹəʊlə/
    Pronunciation notes
    • Received-Pronunciation
  • /ˈɹoʊlɚ/
    Pronunciation notes
    • General-American
  • ˈɹəʊlə
    Pronunciation notes
    • GB
  • ˈɹoʊlɚ
    Pronunciation notes
    • US

Noun

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

  2. Anything that rolls. A cylindrical (or approximately cylindrical) item used under a heavy object to facilitate moving it; usually several are needed.

  3. Anything that rolls. A person who rolls something, such as cigars or molten metal.

  4. Anything that rolls. A large rolling device used to flatten a grass surface; commonly in relation to a cricket pitch.

  5. Anything that rolls. A cylindrical tool for applying paint or ink.

    Synonyms
    paint rollerrolling paint brushrolling brush
    Examples

    The deposit of color on the stone is transmitted to the metal by the lithographic roller the same as for paper.

  6. Anything that rolls. An agricultural machine used for flattening land and breaking up lumps of earth.

  7. Anything that rolls. One of a set of small cylindrical tubes used to curl hair.

  8. Anything that rolls. A roller towel.

  9. Anything that rolls. A small wheel, as of a caster, a roller skate, etc.

    Examples

    The cable used for hauling the wagons on the incline may still be seen, but several of the guiding rollers have disappeared.

  10. Anything that rolls. A rolling element inside a roller bearing: a small cylinder or sphere of metal.

  11. Anything that rolls. One of a set of rolling cylinders allowing a rider to practise balance while training indoors.

  12. Anything that rolls. Any insect whose larva rolls up leaves, especially those in family Tortricidae.

  13. Anything that rolls. A dung beetle that rolls dung into balls.

  14. Anything that rolls. A cylinder snakes, small ground snakes of the genus Cylindrophis.

  15. Anything that rolls. A rolling pin

  16. Anything that rolls. A throw which involves the player throwing the disc in a way that makes it roll, by that being able to travel further than if thrown in the air. Only used on holes with open areas with short or no grass.

    Examples

    He threw a beautiful roller that cut the corner perfectly and stopped just outside the circle.

  17. A long wide bandage used in surgery.

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

    Examples
    More examples (2)

    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,[…].

    A road that runs due west from Dale passes the village church and Dale Castle, and a footpath continues to Westdale Bay, a sandy beach used by surfers when the westerlies send great rollers crashing in from the Atlantic.

  19. A bird. A breed or variety of roller pigeon that rolls (i.e. tumbles or somersaults) backwards (compare Penson roller, Birmingham roller, tumbler).

  20. A bird. Any of various nonpasserine birds constituting the family Coraciidae, having stocky bodies, large heads, and stout bills hooked at the tip.

    Examples
    More examples (1)

    In such places I found a good many birds, among which were the fine cream-coloured pigeon, Carpophaga luctuosa, and the rare blue-headed roller, Coracias temmincki, which has a most discordant voice, and generally goes in pairs, flying from tree to tree, and exhibiting while at rest that all-in-a-heap appearance and jerking motion of the head and tail which are so characteristic of the great Fissirostral group to which it belongs.

  21. A police patrol car or patrolman (rather than an unmarked police car or a detective)

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

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

    Examples

    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.

  24. A wheelchair user.

    Usage
    • Slang
  25. A Rolls-Royce motorcar.

    Usage
    • Informal
    • Slang
  26. A type break that consists of drum rolls; a drum and bass track made with such breaks.

    Usage
    • Slang

Verb

  1. To roller skate.

    Usage
    • Intransitive
    Examples

    One day Frankie rollered up our drive and asked me if I fancied a skate.

Noun

  1. a grounder that rolls along the infield

  2. a long heavy sea wave as it advances towards the shore

    Broader terms
  3. a small wheel without spokes (as on a roller skate)

    Broader terms
  4. a cylinder that revolves

    Broader terms
  5. a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it

    Broader terms
    Examples

    a woman with her head full of curlers is not a pretty sight

  6. Old World bird that tumbles or rolls in flight; related to kingfishers

    Broader terms
  7. pigeon that executes backward somersaults in flight or on the ground

    Broader terms
Word forms
rollersrollersrolleringrolleredrollered

Code Formatters

Format and beautify Java, Python, JavaScript, JSON, HTML and more; adjust indentation, spacing and line breaks.

More tools

Audio Editing & Effects

Trim, join or split recordings, remove silence or noise, and adjust volume, speed, pitch or channels.

More tools

Spreadsheet Tools

Open and edit CSV or Excel sheets, format tabular text, and convert CSV to Excel or SQL.

More tools

Markdown Tools

Write and preview Markdown, render Mermaid diagrams, and convert Markdown, HTML and tables between formats.

More tools

Text Tools

Compare passages, count words and keywords, sort or replace lines, and view DOCX text.

More tools

Dictionaries

Look up Chinese meanings, synonyms and antonyms, or find IPA pronunciations in multiple languages.

Audio Conversion & Playback

Convert between MP3, WAV, FLAC and more, play audio or raw PCM, and inspect or edit audio metadata.

JSON & Data Tools

Inspect, compare and validate JSON; test JSONPath expressions, or convert data to CSV, YAML and XML.

More tools

Speech Tools

Transcribe audio to text, generate speech from text, or record your voice in the browser.

Video Tools

Convert and compress video, trim or join clips, resize frames, and extract audio.

More tools

Video Playback & Recording

Play local or streaming video, record your screen or camera, and use your camera as an online mirror.

PDF Tools

Compress or merge PDFs, split and rearrange pages, convert pages to images, and view or compare documents.

More tools

Image Tools

Convert image formats, resize or crop photos, compress files, compare pictures, and extract text with OCR.

More tools

Image Creation

Capture and beautify screenshots, turn text into images or GIFs, draw on a whiteboard, and create word clouds or favicons.

More tools

Subtitle Tools

Edit SRT or VTT captions with a video preview, shift timing, convert formats, and manage subtitle tracks.

More tools

Archive Tools

Open ZIP, 7Z, RAR or TAR files, extract selected contents, and create new archives with optional ZIP/7Z passwords.

Encoders | Decoders

Encode and decode Base64 or Base32, escape URLs, HTML and Unicode text, and inspect JWT contents.

More tools

Number Tools

Convert number bases and values between binary, decimal and hex; turn numbers into words or text into binary.

Calculators

Work out percentages and fractions, summarize statistics, and calculate grades, discounts or aspect ratios.

More tools

Time Tools

Show an online clock, run a countdown or stopwatch, and calculate dates, ages or time-zone differences.

More tools

Network Tools

Check your IP and IPv6 connection, inspect HTTP requests or HAR files, and calculate CIDR address ranges.

Unit Conversions

Convert length, weight, temperature, data storage and other units.

Color Tools

Convert HEX, RGB and HSL values, extract colors from an image, check contrast, or test your display with solid colors.

QR Codes & Barcodes

Generate and scan QR codes or barcodes, including QR codes for links and Wi-Fi networks.

Developer & Security Tools

Generate hashes, UUIDs and passwords, test regular expressions, create URL slugs and check file permissions.

More tools

Utility Tools

Check screen resolution and refresh rate, measure with a screen ruler, test keys, or read from a teleprompter.

More tools

Games

2048, Minesweeper, Sudoku, Gomoku, Tank Battle

More tools