epicyclic train

English Thesaurus

1. a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis (noun.artifact)

hypernym	:	gear, gearing, geartrain, power train, train,
definition	:	wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed (noun.artifact)

part holonym	:	epicyclic gear, planet gear, planet wheel, planetary gear,
definition	:	an outer gear that revolves about a central sun gear of an epicyclic train (noun.artifact)

part holonym	:	sun gear,
definition	:	the central gear in an epicyclic train (noun.artifact)