(zoology) Any member of the taxonomic class Asteroidea; a starfish

(astronomy) A naturally occurring solid object, which is smaller than a planet and is not a comet, that orbits a star and often has an irregular shape.

Of or pertaining to an asteroid

plural of asteroid

plural of asteroid belt

(astrophysics) an asteroid occupying the Trojan points of the Sun-Jupiter system / (astrophysics) by extension, any asteroid occupying a Trojan point

plural of Trojan asteroid

An asteroid whose orbit is completely within the orbit of the planet Venus.

plural of Atira asteroid

plural of Apohele asteroid