Zwerchpfeife

Zwerchpfeife [MHGer. twerch, diagonal, across], obs. Ger.: *cross flute. The term is first recorded in the 14th c. and maintained itself longest in Bavaria; also an organ stop, syn. of Schweizerpfeife and Traversflöte (168). Sachs, Curt. Geist und Werden der Musikinstrumente. Berlin, 1929.