Noun

• S: (n) gear (gear%1:06:00::), gear wheel (gear_wheel%1:06:00::), geared wheel (geared_wheel%1:06:00::), cogwheel (cogwheel%1:06:00::) (a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion)
• S: (n) gearing (gearing%1:06:00::), gear (gear%1:06:02::), geartrain (geartrain%1:06:00::), power train (power_train%1:06:00::), train (train%1:06:01::) (wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed) "the fool got his tie caught in the geartrain"
• S: (n) gear (gear%1:06:04::), gear mechanism (gear_mechanism%1:06:00::) (a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle))
• direct hyponym / full hyponym
• S: (n) first gear (first_gear%1:06:00::), first (first%1:06:00::), low gear (low_gear%1:06:00::), low (low%1:06:00::) (the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving)
• S: (n) gearset (gearset%1:06:00::) (a set of gears)
• S: (n) high gear (high_gear%1:06:00::), high (high%1:06:00::) (a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed)
• S: (n) park (park%1:06:01::) (a gear position that acts as a parking brake) "the put the car in park and got out"
• S: (n) reverse (reverse%1:06:00::), reverse gear (reverse_gear%1:06:00::) (the gears by which the motion of a machine can be reversed)
• S: (n) second gear (second_gear%1:06:00::), second (second%1:06:00::) (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"
• S: (n) steering gear (steering_gear%1:06:00::) (a gear that couples the steering wheel to the steering linkage of a motor vehicle)
• S: (n) third gear (third_gear%1:06:00::), third (third%1:06:00::) (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"
• S: (n) transmission (transmission%1:06:01::), transmission system (transmission_system%1:06:00::) (the gears that transmit power from an automobile engine via the driveshaft to the live axle)
• direct hypernym / inherited hypernym / sister term
• S: (n) mechanism (mechanism%1:06:00::) (device consisting of a piece of machinery; has moving parts that perform some function)
• S: (n) gear (gear%1:06:01::), paraphernalia (paraphernalia%1:06:00::), appurtenance (appurtenance%1:06:01::) (equipment consisting of miscellaneous articles needed for a particular operation or sport etc.)

Verb

• S: (v) gear (gear%2:30:00::), pitch (pitch%2:30:02::) (set the level or character of) "She pitched her speech to the teenagers in the audience"