epicyclic train is a noun meaning "a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis". It carries one recorded sense.
a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
Definitions, synonyms and semantic relations for epicyclic train come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.