epicyclic /(?)/

ep·i·cyc·lic

epicyclic

a.
  1. Pertaining to, resembling, or having the motion of, an epicycle.

Phrases & Compounds
Epicyclic train
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.