Gearing

[Sarah]

The parts by which motion imparted to one portion of an engineor machine is transmitted to another, considered collectively; as,the valve gearing of locomotive engine; belt gearing; esp., a trainof wheels for transmitting and varying motion in machinery.Frictional gearing. See under Frictional.-- Gearing chain, an endless chain transmitted motion from onesprocket wheel to another. See Illust. of Chain wheel.-- Spur gearing, gearing in which the teeth or cogs are ranged roundeither the concave or the convex surface (properly the latter) of acylindrical wheel; -- for transmitting motion between parallelshafts, etc.

[Tina]

The act of [wearing] all your [gear] [at once].

[Tanya Shivari]

The set or arrangement of gears in a machine.