asteroid — English Dictionary

Noun

1. A naturally occurring solid object, which is smaller than a planet and a dwarf planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.

2. In the Solar System, such a body that orbits within the orbit of Jupiter.

   Examples

   The orbital planes of asteroids, minor bodies that circle the Sun mainly between the orbits of Mars and Jupiter, are often more tilted ...

Noun

1. Any member of the taxonomic class Asteroidea; a starfish.

Adjective

1. shaped like a star

   Synonyms

   star-shaped

Noun

1. any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

   Broader terms

   minor planetplanetoid