Small celestial body (8)
(Other definitions for meteor that I've seen before include "Component of shower" , "Body falling from space" , "Glowing heavenly body" , "A space-traveller" , "Small piece of matter in the solar system" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small celestial body</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for asteroid that I've seen before include "Small rocky object orbiting the sun - store aid (anag)" , "Piece of rock that moves around the heavens" , "Small planet revolving round the sun" , "Small rock orbiting the sun" , "Small celestial body composed of rock and metal" .)