noun
- An outer gear that revolves about a central sun gear of an epicyclic train.
- synonyms: epicyclic gear, planet wheel, planet gear
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). planetary gear. Retrieved September 20, 2026, from http://smartdefine.org/planetary_gear/definitions/1206857 |
| Chicago | WordNet. 2010. "planetary gear" http://smartdefine.org/planetary_gear/definitions/1206857 (accessed September 20, 2026). |
| Harvard | WordNet 2010, planetary gear, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/planetary_gear/definitions/1206857>. |
| MLA | WordNet. "planetary gear" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/planetary_gear/definitions/1206857> |