Dvojnice (f) (plurale tantum)
original: двојнице
double chanter, 1 piece: cylindrical, parallel / chanter + semidrone / 1 bell / single reeds
From "dva" [two (2)]; Bagpipes in the Banat region have chanter type 2; NB: ➺ homonyms.
Dvojnice
Širola, Božidar: Sviraljke s udarnim jezičkom [Aerophones with a beating tongue]. Zagreb, 1937, p.119, 177 (»Trojanović), 178, 195, 304-305.