From WordNet (r) 2.0 (August 2003) [wn]:
gearing
n : 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"
[syn: gears, geartrain, power train, train]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Gear \Gear\ (g[=e]r) v. t. [imp. & p. p. Geared (g[=e]rd); p.
pr. & vb. n. Gearing.]
1. To dress; to put gear on; to harness.
[1913 Webster]
2. (Mach.) To provide with gearing.
[1913 Webster]
3. To adapt toward some specific purpose; as, they geared
their advertising for maximum effect among teenagers.
[PJC]
Double geared, driven through twofold compound gearing, to
increase the force or speed; -- said of a machine.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Gearing \Gear"ing\, n.
1. Harness.
[1913 Webster]
2. (Mach.) The parts by which motion imparted to one portion
of an engine or machine is transmitted to another,
considered collectively; as, the valve gearing of a
locomotive engine; belt gearing; esp., a train of wheels
for transmitting and varying motion in machinery.
[1913 Webster]
Frictional gearing. See under Frictional.
Gearing chain, an endless chain transmitting motion from
one sprocket wheel to another. See Illust. of {Chain
wheel}.
Spur gearing, gearing in which the teeth or cogs are ranged
round either the concave or the convex surface (properly
the latter) of a cylindrical wheel; -- for transmitting
motion between parallel shafts, etc.
[1913 Webster]