epicyclical

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WORDNET DICTIONARY

Adjective epicyclical has 1 sense

epicyclical(a = adj.pert) epicyclic - of or relating to an epicycle; "epicyclic gear train"

Derived form noun epicycle₁

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CIDE DICTIONARY

epicyclical, a.

Pertaining to, resembling, or having the motion of, an epicycle. [1913 Webster]

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.