\Ep`i*cyc"lic\, a.
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.