Log in or register to start saving your words!
A large, heavy body, which does not produce energy by nuclear fusion, moving in a stable elliptical orbit around a star.
each of the seven major bodies which move relative to the fixed stars in the night sky
rocky or gaseous spherical bodies orbiting the Sun
similar body in orbit around a star
(obsolete, except 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.
Any of various rocky or gaseous spherical bodies orbiting the Sun, specifically the eight major bodies of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. (The Galilean moons, four major asteroids, and the dwarf planet Pluto were formerly included, in the 17th, 19th, and 20th centuries respectively.)
(by extension) Any similar spherically shaped or tidally elongated body in orbit around a star or binary star which has cleared the debris out of its orbital path, but which has not attained nuclear fusion; an exoplanet.