Word.ws English Dictionary

derailleurs

derailleurs is the plural of derailleur.

Meaning of derailleur

Noun

derailleur (plural derailleurs)

  1. A mechanism on a bicycle wheel used while cycling to move the bicycle chain from one sprocket (gear) to another, to change speeds.
    • [H. A. G.] Keates again rode a fully-equipped machine (lamp excepted) and used a derailleur gear. It was probably this variation which enabled him to progress so well against the wind and yet take full advantage of its assistance on the return trip.1934 December 3, “Cycling club disbanded: Shamshuipo club to be formed: Brief review of activities: Keates sets new record”, in The China Mail, final edition, number 28,898, Hong Kong: The Newspaper...
  2. The entire gearset on a bicycle with such a mechanism.

Questions about derailleurs

What is derailleurs the plural of?
Derailleurs is the plural of derailleur.

Words near derailleurs in the dictionary

  1. derailing
  2. derailings
  3. derailleur
  4. derailleur hanger
  5. derailleur hangers
  6. derailleurs
  7. derailment
  8. derailments
  9. derails
  10. derain
  11. derained

Source and license

Adapted from Wiktionary: derailleurs (page history and authors); derailleur (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: “derailleurs.” Word.ws, https://word.ws/derailleurs. Based on Wiktionary, CC BY-SA 4.0.