derailleur


de·rail·leur

noun \di-ˈrā-lər\

: a part on a bicycle that is used to change gears by moving the chain from one gear to another one

Full 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

Origin of DERAILLEUR

French dérailleur, from dérailler
First Known Use: 1930

Browse

Next Word in the Dictionary: derange
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).