Bouffoir (m)
(with) definite article: letube through which the bag of a mouth-blown bagpipe, &c. is inflated
From "bouffir" (to cause to swell); NB¹: ➺ Porte-vent; NB²: ➺ homonym (Auvergne).
Chassaing, Jean-François: La tradition de cornemuse en Basse-Auvergne et Sud-Bourbonnais [Thèse de doctorat, ethnologie 3e cycle, Univ. Lyon 2, 1981]. Moulins, 1983 (© 1982), p.11, 13*, 14, 78, 217.
ws (linguistics [➺ Dictionaries, &c.])