planet

IPA: pɫˈænʌt

(now historical or astrology) Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
(astronomy) A body which is massive enough to be in hydrostatic equilibrium (generally resulting in being an ellipsoid) but not enough to attain nuclear fusion and, in IAU usage, which directly orbits a star (or star cluster) and dominates the region of its orbit; specifically, in the case of the Solar system, the eight major bodies of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
construed with the or this: synonym of Earth.

Examples of "planet" in Sentences

An alien returns to the planet.
The planet is the innermost planet of two.
The Heart of Earth is the mystical Heart of the planet Earth.
Two of them manage to escape, Zig and Zag, to the planet earth.
It is thought that this planet is the home planet of the rancor.
The rotation of the earth and motion of the planets are not uniform.
The character traveled to 30th century Earth from the planet Decapod 10.
He is on a mission to reestablish the science of inner bliss on planet Earth.
The atmospheric pressure at the planet's surface is 92 times that of the Earth.
Earth is known as the blue planet because of the vast quantities of water that predominate the surface of the planet.