Source : Webster's Revised Unabridged Dictionary (1913)

Galaxy \Gal"ax*y\, n.; pl. {Galaxies}. [F. galaxie, L. galaxias,
   fr. Gr. ? (sc. ? circle), fr. ?, ?, milk; akin to L. lac. Cf.
   {Lacteal}.]
   1. (Astron.) The Milky Way; that luminous tract, or belt,
      which is seen at night stretching across the heavens, and
      which is composed of innumerable stars, so distant and
      blended as to be distinguishable only with the telescope.
      The term has recently been used for remote clusters of
      stars. --Nichol.

   2. A splendid assemblage of persons or things.

Source : WordNet®

galaxy
     n 1: a splendid assemblage (especially of famous people)
     2: tufted evergreen perennial herb having spikes of tiny white
        flowers and glossy green round to heart-shaped leaves that
        become coppery to maroon or purplish in fall [syn: {galax},
         {wandflower}, {beetleweed}, {coltsfoot}, {Galax urceolata}]
     3: (astronomy) a collection of star systems; any of the
        billions of systems each having many stars and nebulae and
        dust; "`extragalactic nebula' is a former name for
        `galaxy'" [syn: {extragalactic nebula}]

Source : Free On-Line Dictionary of Computing

Galaxy
     
         An extensible language in the vein of {EL/1} and
        {RCC}.
     
        ["Introduction to the Galaxy Language", Anne F. Beetem et al,
        IEEE Software 6(3):55-62].
     
        (1995-12-09)