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Roller vs Castor - What's the difference?

roller | castor |

In lang=en terms the difference between roller and castor

is that roller is a Rolls-Royce car while castor is a double star in the constellation Gemini; alpha (α) Geminorum.

roller

English

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.
  • Derived terms

    * light roller * heavy roller * hair roller * high roller * paint roller * road roller * roller bearing * roller bed * roller blade, rollerblade * roller coaster * roller shutter * roller skate * steam roller, steamroller

    Anagrams

    * English agent nouns ----

    castor

    English

    Etymology 1

    From (etyl) .

    Alternative forms

    * caster

    Noun

    (en noun)
  • A pivoting roller attached to the bottom of furniture to allow it to be moved.
  • A hat made from the fur of the beaver.
  • * Sir Walter Scott
  • I have always been known for the jaunty manner in which I wear my castor .
  • A caster; a container with perforated cap for sprinkling (e.g. pepper-castor ).
  • A heavy quality of broadcloth for overcoats.
  • castoreum
  • Derived terms
    * castor sugar
    See also
    * castor bean * castor oil

    Etymology 2

    Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found.

    Noun

    (-)
  • (mineral) A variety of petalite found in Elba.
  • Synonyms
    * castorite (Webster 1913)

    Anagrams

    * ----