gears

[gear.n.01] as in: a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion

[gearing.n.01] as in: wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed

[gear.n.03] as in: a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)

[gear.n.04] as in: equipment consisting of miscellaneous articles needed for a particular operation or sport etc.

[gear.v.01] as in: set the level or character of

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