Any of the eight main planets of the solar system, as distinct from an asteroid or moon.
More example sentences
- Most of the attention focuses on Pluto's status as one of our solar system's major planets.
- The apparent paths of the sun, the moon, and the major planets all fall within the zodiac.
- The asteroids are most likely leftover sloar system bits and stuff captured by the sun and major planets.
Definition of major planet in:
- The US English dictionary