Source : Webster's Revised Unabridged Dictionary (1913)

Meditation \Med`i*ta"tion\, n. [OE. meditacioun, F.
   m['e]ditation, fr. L. meditatio.]
   1. The act of meditating; close or continued thought; the
      turning or revolving of a subject in the mind; serious
      contemplation; reflection; musing.

            Let the words of my mouth and the meditation of my
            heart be acceptable in thy sight.     --Ps. xix. 14.

   2. Thought; -- without regard to kind. [Obs.]

            With wings as swift As meditation or the thoughts of
            love.                                 --Shak.

Source : WordNet®

meditation
     n 1: continuous and profound contemplation or musing on a subject
          or series of subjects of a deep or abstruse nature; "the
          habit of meditation is the basis for all real knowledge"
          [syn: {speculation}]
     2: (religion) contemplation of spiritual matters (usually on
        religious or philosophical subjects)