Rupa (f)
oblong opening in the lower flank of the blowpipe stock
Oblong opening in the lower flank of the blowpipe stock (which is stopped at the bottom); Andrijevci; NB: ➺ homonym.
Širola, Božidar: Sviraljke s udarnim jezičkom [Aerophones with a beating tongue]. Zagreb, 1937, p.179*, 180 (»Čipuzović).