Odre (m)
(with) definite article: elFrom Latin "ǔter" [goatskin / leather bag; wineskin]; Generic term, used by musicologists, &c.
Meré, Rafael: Museo Internacional de la Gaita: catálogo. Gijón, 1970, p.19.
Podnos, Theodor H.: Bagpipes and tunings. Detroit, 1974, p.47.