articulator

Short definition from Wiktionary

Noun

1. 1
   One who, or that which, articulates or expresses.
2. 2
   One who articulates bones and mounts skeletons.
3. 3
   A mechanical device to which casts of the teeth are fixed, reproducing recorded positions of the mandible in relation to the maxilla.
4. 4
   Any organ in the vocal tract used to articulate, produce speech.