Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: major planet
  1. (astronomy) any of the large celestial bodies in the solar system that revolve around the sun; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune (and sometimes also Pluto) in order of their proximity to the sun
    - planet

Derived forms: major planets

Type of: celestial body, heavenly body

Part of: solar system

Encyclopedia: Major planet