epicyclic

Ep`i*cyc"lic, a. Defn: Pertaining to, resembling, or having the motion of, an epicycle. Epicyclic train (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.

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