articulator

ar·tic·u·la·tor  (är-tky-ltr)

n.

1. One that articulates: an articulator of the students' concerns.

2. One of the organs of speech, such as the lips or tongue.

Thesaurus

Noun	1.	articulator - someone who pronounces words communicator - a person who communicates with others speaker, talker, verbaliser, verbalizer, utterer - someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims" subvocaliser, subvocalizer - someone who articulates speech without uttering sounds
	2.	articulator - a movable speech organ jawbone, jowl, lower jaw, lower jawbone, mandible, mandibula, mandibular bone, submaxilla - the jaw in vertebrates that is hinged to open the mouth glossa, lingua, tongue, clapper - a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity organ of speech, speech organ, vocal organ - any of the organs involved in speech production lip - either of two fleshy folds of tissue that surround the mouth and play a role in speaking