derailleur
de·rail·leur
noun \di-ˈrā-lər\Definition of DERAILLEUR
: a mechanism for shifting gears on a bicycle that operates by moving the chain from one set of exposed gears to another
See Origin of DERAILLEUR
French dérailleur, from dérailler
First Known Use: 1930
Rhymes with DERAILLEUR
Browse
Next Word in the Dictionary: derange
Previous Word in the Dictionary: derail
All Words Near: derailleur
Previous Word in the Dictionary: derail
All Words Near: derailleur
Seen & Heard 
What made you want to look up derailleur? Please tell us where you read or heard it (including the quote, if possible).
