planet

Definition

• n. (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
• n. any celestial body (other than comets or satellites) that revolves around a star

Word forms

Plural

planets

Example sentences

1. n.

   Earth is the third planet from the Sun.