planetary gear train

noun

An assembly of meshed gears consisting of a central (sun) gear, a coaxial internal gear-wheel and one or more intermediate pinions supported on a revolving carrier.

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Meanings

nounplanetary gear train (plural planetary gear trains)

plural planetary gear trains

  1. An assembly of meshed gears consisting of a central (sun) gear, a coaxial internal gear-wheel and one or more intermediate pinions supported on a revolving carrier.
Cite this entry
APA

planetary gear train. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/planetary%20gear%20train

MLA

“planetary gear train.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planetary%20gear%20train. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “planetary gear train,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/planetary%20gear%20train.

Source: planetary gear train on Wiktionary, CC BY-SA 4.0.