Wind chest / Windchest
The base of Southeast Asian mouth organs, serving as an "air distributor".
Malm, William P.: Japanese music and musical instruments [1959]. Rutland, 1965 (3), p.98 (wind chest).
Cross, Thomas E.: Instruments of Burma, India, Nepal, Thailand, and Tibet. Vermillion, 1982, p.24 (windchest).
Catlin, Amy: Hmong musical instruments. In: The Garland encyclopedia of world music (4): Southeast Asia (ed. 2013) (wind chest).