The Collaborative International Dictionary of English v.0.48:

Articulated \Ar*tic"u*la`ted\, a.
   1. United by, or provided with, articulations; jointed; as,
      an articulated skeleton.
      [1913 Webster]

   2. Produced, as a letter, syllable, or word, by the organs of
      speech; pronounced.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Articulate \Ar*tic"u*late\, v. i. [imp. & p. p. Articulated;
   p. pr. & vb. n. Articulating].
   1. To utter articulate sounds; to utter the elementary sounds
      of a language; to enunciate; to speak distinctly.
      [1913 Webster]

   2. To treat or make terms. [Obs.] --Shak.
      [1913 Webster]

   3. To join or be connected by articulation.
      [1913 Webster]

WordNet (r) 3.0 (2006):

articulated
    adj 1: consisting of segments held together by joints [syn:
           articulated, articulate] [ant: unarticulated]