Mouchafou (gender unknown)
(with) definite article: ?Sporadically heard in prov. Hainaut [Henegouwen]; NB: According to Boone, "fou is a derivative of Latin follis (bag or bellows)", adding that Old French fol can also signify "musical instrument".
Boone, Hubert: De doedelzak. Woord vooraf door J. Van Haver en A. Doppagne… Inleiding door R. De Maeyer… Brussel, 1983, p.15, 92 (note 19: »von Wartburg [fol]).