Querflöten.

1876 J. Stainer & W. A. Barrett Dict. Musical Terms 373/1 Querflöte (Ger.),..The flute played sideways, as opposed to the flute which was blown at one end, and held straight in front of the performer.

1914 H. M. Fitzgibbon Story of Flute iii. 30 (caption) Prætorius' Bass Querflote, 1620.

1959 Collins Mus. Encycl. 525/1 Querflöte,..‘Cross’ or ‘transverse flute’, i.e. the modern flute as distinct from the recorder or Blockflöte.

1976 D. Munrow Instruments Middle Ages & Renaissance 53/3 Back in medieval times the different playing positions of the two instruments had provided a means of distinction..: hence the use of..Querflöte, or Querpfeife (German, cross flute) for the transverse flute.

2005 N. Hadden in G. Wainwright & P. Holman From Renaissance To Baroque vi. 125 He [sc. Praetorius] recommends the ‘querflote’ or ‘fiffaro’, either in a consort of mixed instruments or as a whole consort.

1905 G. A. Audsley Art of Organ-building I. xiii. 555 Querflöte..this name, which is formed of the words quer—cross or athwart—and Flöte, has been frequently used by German organ builders to designate the stop which..imitates as closely as possible the tone of the Flute of the orchestra.

1966 P. Williams European Organ 1450–1850 286 Querflöte (Ger. ‘cross flute’), properly, an open cylindrical metal or wood flue stop (usually 4′), over-blowing to the first or second overtone due to the pipe's narrow scale, large foot-holes and fairly low cut-up.

2001 New Grove Dict. Music (Electronic ed.) s.v. Stellwagen The organs had a number of other stops such as Blockflöte, Querflöte, Quintadena and Tierce Zimbel.