The Collaborative International Dictionary of English v.0.48:

Anatomy \A*nat"o*my\, n.; pl. Anatomies. [F. anatomie, L.
   anatomia, Gr. ? dissection, fr. ? to cut up; ? + ? to cut.]
   1. The art of dissecting, or artificially separating the
      different parts of any organized body, to discover their
      situation, structure, and economy; dissection.
      [1913 Webster]

   2. The science which treats of the structure of organic
      bodies; anatomical structure or organization.
      [1913 Webster]

            Let the muscles be well inserted and bound together,
            according to the knowledge of them which is given us
            by anatomy.                           --Dryden.
      [1913 Webster]

   Note: "Animal anatomy" is sometimes called zomy; "vegetable
         anatomy," phytotomy; "human anatomy," anthropotomy.
         [1913 Webster]

   Comparative anatomy compares the structure of different
      kinds and classes of animals.
      [1913 Webster]

   3. A treatise or book on anatomy.
      [1913 Webster]

   4. The act of dividing anything, corporeal or intellectual,
      for the purpose of examining its parts; analysis; as, the
      anatomy of a discourse.
      [1913 Webster]

   5. A skeleton; anything anatomized or dissected, or which has
      the appearance of being so.
      [1913 Webster]

            The anatomy of a little child, representing all
            parts thereof, is accounted a greater rarity than
            the skeleton of a man in full stature. --Fuller.
      [1913 Webster]

            They brought one Pinch, a hungry, lean-faced
            villain,
            A mere anatomy.                       --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

anatomy
    n 1: the branch of morphology that deals with the structure of
         animals [syn: anatomy, general anatomy]
    2: alternative names for the body of a human being; "Leonardo
       studied the human body"; "he has a strong physique"; "the
       spirit is willing but the flesh is weak" [syn: human body,
       physical body, material body, soma, build, figure,
       physique, anatomy, shape, bod, chassis, frame,
       form, flesh]
    3: a detailed analysis; "he studied the anatomy of crimes"