articulator

from WordNet (r) 3.0 (2006)

articulator
    n 1: someone who pronounces words
    2: a movable speech organ

from The Collaborative International Dictionary of English v.0.48

Articulator \Ar*tic"u*la`tor\, n.
   One who, or that which, articulates; as:
   (a) One who enunciates distinctly.
   (b) One who prepares and mounts skeletons.
   (c) An instrument to cure stammering.
       [1913 Webster]