arˈticuˌlator

/ ɑːˈtɪkjʊˌleɪtə /

noun

1. a person or thing that articulates
2. 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 )