asteroid
/ˈæstəɹoɪd/
/ˈæstəɹoɪd/
/ˈæstəɹoɪd/
noun
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Any member of the taxonomic class Asteroidea; a starfish
noun
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A naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star
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In the Solar system, such a body that orbits within the orbit of Jupiter