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|Noun||1.||gear mechanism - a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)|
first gear, low gear, low, first - the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving
gearset - a set of gears
high gear, high - a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed
mechanism - device consisting of a piece of machinery; has moving parts that perform some function
park - a gear position that acts as a parking brake; "the put the car in park and got out"
second gear, second - the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle; "he had to shift down into second to make the hill"
steering gear - a gear that couples the steering wheel to the steering linkage of a motor vehicle
third gear, third - 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"