Boîtier (m)
(with) definite article: lestock for the chanter(s)
Elliptically shaped in cross-section (on both instruments detected).
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.88.