DERAILLEUR


Meaning of DERAILLEUR in English

/di ray"leuhr/ , n.

a gear-shifting mechanism on a bicycle that shifts the drive chain from one sprocket wheel to another.

[ 1945-50; dérailleur lit., a device causing disengagement or derailing, equiv. to déraill ( er ) to DERAIL + -eur -EUR ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .