Word.ws English Dictionary

castors

castors is the plural of castor.

Meaning of castor

Noun (1)

castor (countable and uncountable, plural castors)

  1. A hat made from the fur of the beaver.
    • I have been always noted for the jaunty manner in which I wear my castor—[…]1826, [Walter Scott], chapter V, in Woodstock; Or, The Cavalier. […], volume I, Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Co.; London: Longman, Rees, Orme, Brown, and...
    Synonyms:
    beaver, castoreum
  2. A heavy quality of broadcloth for overcoats.
    Synonyms:
    beaver
  3. Castoreum (bitter exudate of mature beavers).
  4. Any of various nymphalid butterflies of the genus Ariadne, of Africa and Asia.

Noun (2)

castor (uncountable)

  1. A variety of petalite found in Elba.
    Synonyms:
    castorite

Noun (3)

castor (plural castors)

  1. (UK, especially) A pivoting roller attached to the bottom of furniture to allow it to be moved.

See all 13 meanings of castor

Questions about castors

What is castors the plural of?
Castors is the plural of castor.

Words near castors in the dictionary

  1. castoring
  2. castorite
  3. castorium
  4. Castorland
  5. castorless
  6. castors
  7. castory
  8. Castos
  9. castra
  10. castral
  11. castramentation

Source and license

Adapted from Wiktionary: castors (page history and authors); castor (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “castors.” Word.ws, https://word.ws/castors. Based on Wiktionary, CC BY-SA 4.0.