An arrangement of bevel gears permitting the rotation of two shafts at two different speeds whilst supplying the same torque; used on the drive axles or between the driven wheels of automobiles to aid cornering.

a system of gears that has a central gear wheel around which others rotate, often within an outer ring

A system of gears that has a central gear wheel (sun gear) around which others (planet gears) rotate, often within an outer ring.

(mechanics) A wheel with a toothed rim, intended to engage with others, or similar equipment, to form a gear.

The highest gear that is available in a motor vehicle or car.

(uncountable, countable, aviation) The wheels, tyres, brakes, shock absorbers etc of an aircraft; its undercarriage.

(mechanical engineering) A system of interconnected gears.

Alternative spelling of gearstick

Synonym of interrupter gear

A triggering device attached to the machine gun armament of fighter aircraft so that the gun could fire through the arc of a spinning propeller without the bullets striking the blades.