Dudelsack (m)
(with) definite article: derAccording to Klauser this word entered the vernacular [language] only in the 18th century as "a generic term for the entire instrument family"; NB: Oddly, Podnos refers to Sachs’ »Geist und Werden…« [in which it doesn’t occur], and Klier [in which the Swiss bagpipe isn’t mentioned either].
Klauser, Urs: Die Sackpfeife in der Schweiz. In: Utriculus IV;1 (13), gennaio/marzo 1995, p.8.
Podnos, Theodor H.: Bagpipes and tunings. Detroit, 1974, p.32 (»Klier [?]; »Sachs, Geist [?]), 44.