to change to a lower gear in a motor vehicle by first placing the gear lever into the neutral position before engaging the desired gear, at the same time releasing the clutch pedal and increasing the engine speed
US term: double-clutch
double-clutch in American English1
(ˈdʌbəlˈklʌtʃ)
intransitive verb
Automobiles
to downshift by shifting gears in an automotive vehicle first into neutral and then into the desired gear, releasing the clutch twice, once for each shift
double-clutch in American English2
(ˈdʌbəlˈklʌtʃ)
intransitive verb
(of a bird)
to produce a second clutch of eggs after the first has been removed, usually for hatching in an incubator