Rigats (n)
(with) definite article: tooriginal: ριγκάτς (το)
Location?; NB: I have the impression that this term is derived from the Macedonian verb рика [rìka (to roar)].
Anoyanakis, Fivos: Greek popular musical instruments [Title on cover: »Greek folk musical instruments«]. Athens, 1979, p.198.
Ανωγειανάκης, Φοίβος [Anoyanakis, Fivos]: Ελληνικά λαϊκά μουσικά όργανα. Αθήνα [Athens], 1979, p.183.
ws (linguistics [➺ Dictionaries, &c.])