Lullepijper / Lulle-pijper (m)
(with) definite article: deFrom Early Dutch "lollen" [to hum] ?; According to Kiliaan a synonym of Vtricularis [sic] [and] aſcaules (➺ Ascaules); NB: ➺ related terms.
Kiliaan, C. [Cornelis Kilianus, or Corneel Kiel van Duffel]: Etymologicvm tevtonicae lingvæ. Traiecti Batavorvm, MDCCLXXVII [i.e. in Utrecht, 1777], p.365 (Lulle-pijper).