Lingüeta (f)
(with) definite article: atongue: vibrating blade of a single reed (idioglot (either up- or down-cut) or heteroglot)
Tongue of an idioglot (i.e. cane) single reed.
Estévez Vila, Xaime: A gaita no eido da música [The [Galician] bagpipe in the field of music]. Vigo, 1987, p.25.