Planet is a celestial body that orbits a star, is large enough to be rounded by its own gravity, and has cleared its orbit of other objects.
In our solar system, there are eight recognized planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
The term "planet" also refers to:
1. In astrology, a celestial body that influences human affairs
2. Figuratively, a very important person or thing
3. The Planet Hollywood restaurant chain