[ adj ] of or relating to an epicycle <adj.pert> epicyclic gear train
epicyclic \ep`i*cyc"lic\, epicyclical \ep`i*cyc"lic*al\, 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.