Ullan-piobe / Ullan pipes (gender unknown) (plurale tantum)
(with) definite article: ?From "ullan" (the outside [i.e. elbow] of the first joint of the arm); A name not attested anywhere, probably a corruption of Shakespeare’s Woolen bagpipe (➺ The merchant of Venice (ca. 1598), act IV, scene 1); NB¹ (plurale tantum): The term is also used when referring to 1 instrument only; NB²: ➺ Bollog na cuisli.
Sachs, Curt: Real-Lexikon der Musikinstrumente: zugleich ein Polyglossar für das gesamte Instrumentengebiet [Berlin, 1913]. Hildesheim, 1964 [facsimile] (Ullan-piobe).
Breathnach, Breandán: The Irish pipes. In: The bagpipes in Europe, 1 (1976), p.6 ("Ullan" pipes).