Gaida
Erroneous spelling in Van der Meer, who fails to reveal his source; NB¹: In Slovakia the singular form is not used; Moreover, the diphthong "ai" doesn’t occur in Slovak.
NB²: ➺ homonyms.
Meer, John Henry van der: Typologie der Sackpfeife. In: Anz. Germ. Nationalmus. (Nürnberg, 1964), p.131.
ws (linguistics [➺ Dictionaries, &c.])