dérailleur
French, noun/de.ʁa.jœʁ/
dérailleur is spelled D-É-R-A-I-L-L-E-U-R (10 letters) and appears about once in every 5 million words in written French, the 72,190th most frequent French word form (wordfreq, 2021 data). Dérailleur is a French masculine noun meaning “derailleur (the mechanism on a bicycle used to move the chain from one sprocket (gear) to another)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Système permettant de changer de rapport de développement sur un vélo, inventé en 1889”.
What does dérailleur mean in English?
noun
- 1
masculinederailleur (the mechanism on a bicycle used to move the chain from one sprocket (gear) to another)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Système permettant de changer de rapport de développement sur un vélo, inventé en 1889. 2. Taquet dérailleur.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of dérailleur
- dérailleurs plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce dérailleur?
- /de.ʁa.jœʁ/
- \de.ʁa.jœʁ\
- [de.ʁa.jœʁ]
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to dérailleur
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is dérailleur in French?
dérailleur appears about once in every 5 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).