reverse gear

English Thesaurus

1. the gears by which the motion of a machine can be reversed (noun.artifact)

hypernym	:	gear, gear mechanism,
definition	:	a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) (noun.artifact)

part meronym	:	auto, automobile, car, machine, motorcar,
definition	:	a motor vehicle with four wheels; usually propelled by an internal combustion engine (noun.artifact)

derivation	:	reverse,
definition	:	of the transmission gear causing backward movement in a motor vehicle (adj.all)

derivation	:	reverse,
definition	:	of the transmission gear causing backward movement in a motor vehicle (adj.all)