third gear

Thesaurus

Noun

1.

third gear - the third from the lowest forward ratio gear in the gear box of a motor vehicle; "you shouldn't try to start in third gear"thirdauto, automobile, car, motorcar, machine - a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work"gear mechanism, gear - a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)