Limbă (f)
(with) definite article: Limbatongue: vibrating blade of a single reed (idioglot (either up- or down-cut) or heteroglot)
The tongue of the reed, cut "in the shape of the letter U"; NB: ➺ my observation regarding a possible link with the Sardinian term Limbatta.
Alexandru, Tiberiu: Instrumentele muzicale ale poporului român. Bucureşti, 2014 (Reprint of Instrumentele muzicale ale poporului romîn, Bucureşti, 1956), p.79; NB: NOT as such in index (Materii).
ws (linguistics [➺ Dictionaries, &c.])