Epicyclic train Meaning, Definition & Usage
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noun a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
epicyclic gear train.
WordNet
Definitions
(Mach.) , a train of mechanism in which epicyclic motion is involved; esp., a train of spur wheels, bevel wheels, or belt pulleys, in which an arm, carrying one or more of the wheels, sweeps around a center lying in an axis common to the other wheels.