Ruyschpijpe / Ruysch-pijpe (gender unknown)
(with) definite article: deSpelling in WNT: Ruyschpijpe; Kiliaan, who seems to consider it a synonym of Sack-pijpe, spells it ruyſch-pijpe, and refers to Tibia vtricularis; NB¹: ➺ Lul-pijp(e); NB²: ➺ Ruischpijp, Ruispijp, Ruuspijp, Ruuspipe, Ruyschpype, and Ruyspijp.
Kiliaan, C. [Cornelis Kilianus, or Corneel Kiel van Duffel]: Etymologicvm tevtonicae lingvæ. Traiecti Batavorvm, MDCCLXXVII [i.e. in Utrecht, 1777], p.543 (ruyſch-pijpe).