estraterrestrial body


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.estraterrestrial body - a natural object existing outside the earth and outside the earth's atmosphereestraterrestrial body - a natural object existing outside the earth and outside the earth's atmosphere
natural object - an object occurring naturally; not made by man
comet - (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
meteor, meteoroid - (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
cosmos, macrocosm, universe, world, existence, creation - everything that exists anywhere; "they study the evolution of the universe"; "the biggest tree in existence"