sun gear

English

Etymology

By analogy to a sun with planets rotating around it.

Noun

sun gear (plural sun gears)

1. The central gear wheel of an epicyclic gear train; the central gear in planetary gear box, which spins the planet gears

Coordinate terms

• planetary gear
• planet gear

Translations

gear wheel

• Dutch: zonnewiel (nl) n
• French: planétaire intérieur m, soleil (fr) m

Anagrams

• raunges, ungears