# noun. - one of a set of toothed wheels that work together to alter the relation between the speed of a driving mechanism (such as the engine of a vehicle or the crank of a bicycle) and the speed of the driven parts (the wheels). * a racing bike with ten-speed gears - equipment that is used for a particular purpose. * camping gear
# verb. - prepare, adjust, or equip for a particular purpose or need. * they gear workouts to your specific needs - design or adjust the gears in a machine to give a specified speed or power output. * it's geared too high for serious off-road use