1. larynx, artificial A device, activated electronically or by expired pulmonary air, which simulates laryngeal activity and enables a laryngectomized person to speak. Examples of the pneumatic mechanical device are the Tokyo and Van Hunen artificial larynges. Electronic devices include the WesternElectric electrolarynx, Tait oral vibrator, Cooper-Rand electrolarynx and the Ticchioni pipe.