Source : Webster's Revised Unabridged Dictionary (1913)

Meteor \Me"te*or\, n. [F. m['e]t['e]ore, Gr. ?, pl. ? things in
   the air, fr. ? high in air, raised off the ground; ? beyond +
   ?, ?, a suspension or hovering in the air, fr. ? to lift,
   raise up.]
   1. Any phenomenon or appearance in the atmosphere, as clouds,
      rain, hail, snow, etc.

            Hail, an ordinary meteor.             --Bp. Hall.

   2. Specif.: A transient luminous body or appearance seen in
      the atmosphere, or in a more elevated region.

            The vaulty top of heaven Figured quite o'er with
            burning meteors.                      --Shak.

   Note: The term is especially applied to fireballs, and the
         masses of stone or other substances which sometimes
         fall to the earth; also to shooting stars and to ignes
         fatui. Meteors are often classed as: aerial meteors,
         winds, tornadoes, etc.; aqueous meteors, rain, hail,
         snow, dew, etc.; luminous meteors, rainbows, halos,
         etc.; and igneous meteors, lightning, shooting stars,
         and the like.

Source : WordNet®

meteor
     n 1: a streak of light in the sky at night that results when a
          meteoroid hits the earth's atmosphere and air friction
          causes the meteoroid to melt or vaporize or explode
          [syn: {shooting star}]
     2: (astronomy) any of the small solid extraterrestrial bodies
        that hits the earth's atmosphere [syn: {meteoroid}]

Source : Free On-Line Dictionary of Computing

METEOR
     
        A version of COMIT with Lisp-like syntax, written in MIT Lisp
        1.5 for the IBM 7090.  "METEOR - A List Interpreter for String
        Transformation", D.G. Bobrow in The Programming Language LISP
        and its Interpretation, E.D.  and D.G. Bobrow eds, 1964.