Meteoroid /(mē"tē̇*ẽr*oid)/

Me·te·or·oid

Meteoroid

n.
  1. A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor. (Astron.)
    These bodies [small, solid bodies] before they come into the air, I call meteoroids.