Valvule (m)
(with) definite article: ?Spelling in Dobroshi, who explicitely claims the term to be masculine (em.) and also mentions its plural form (valvulet).
Dobroshi, Sokol: Rečnik Srpskohrvatsko - Albanski / Fjalor Serbokroatisht - Shqip. Prishtinë, 1953, p.108 (залистак [zalistak]).
Buchholz, Oda / Fiedler, Wilfried / Uhlisch, Gerda: Wörterbuch Albanisch-Deutsch. Leipzig, 1981 (2nd printing), p.657-662.
Kacori, Thoma: A handbook of Albanian. Sofia, 1979, p.198.