DERAILLEUR


Meaning of DERAILLEUR in English

n.

Pronunciation: di- ' r ā -l ə r

Function: noun

Etymology: French dérailleur, from dérailler

Date: 1930

: a mechanism for shifting gears on a bicycle that operates by moving the chain from one set of exposed gears to another

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.