clutch pedal

English Thesaurus

1. a pedal or lever that engages or disengages a rotating shaft and a driving mechanism (noun.artifact)

hypernym	:	foot lever, foot pedal, pedal, treadle,
definition	:	a lever that is operated with the foot (noun.artifact)

part meronym	:	clutch,
definition	:	a coupling that connects or disconnects driving and driven parts of a driving mechanism (noun.artifact)