meteoroid meteorography • meteoroidal · · · Info · Definitions · Synonyms · Characters · · meteoroid · · Text Latin · · Script 9 · · Length Definitions · · · (noun) (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere. Synonyms: meteor. · · Noun Definition 1 Synonyms · · · meteor · · Synonym 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074