Suber
According to Marcuse, who fails to reveal her source, a synonym of Shyabur; According to Podnos the main term; Not encountered in reliable sources.
Marcuse, Sibyl: Musical instruments: a comprehensive dictionary. New York, 1975.
Podnos, Theodor H.: Bagpipes and tunings. Detroit, 1974, p.28 (»Nettl), 49, 85.