power train

English Thesaurus

1. wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed (noun.artifact)

hypernym	:	wheelwork,
definition	:	mechanical device including an arrangement of wheel in a machine (especially a train of gears) (noun.artifact)

hyponym	:	epicyclic gear train, epicyclic train,
definition	:	a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis (noun.artifact)

hyponym	:	reduction gear,
definition	:	gearing that reduces an input speed to a slower output speed (noun.artifact)

part meronym	:	engine,
definition	:	motor that converts thermal energy to mechanical work (noun.artifact)