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.

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articulator [ɑːˈtɪkjʊˌleɪtə]

n

1. a person or thing that articulates

2. (Linguistics / Phonetics & Phonology) Phonetics any vocal organ that takes part in the production of a speech sound. Such organs are of two types: those that can move, such as the tongue, lips, etc. (active articulators), and those that remain fixed, such as the teeth, the hard palate, etc. (passive articulators)

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