Also in Ger. form. [ad. G. waldflōte, lit. forest flute.] (See quots.)
1852. Seidel, Organ, 110. Wald flute is an open flue-register.
1876. Stainer & Barrett, Dict. Mus. Terms, Waldflute, Waldflöte, Waldpfeife (Ger.) An organ stop of 4 ft. pitch.
1878. J. Hiles, Catech. Organ (ed. 2), 62. Waldflöte, Forest-flute. In Germany this is a 2 feet stop, formerly also of 8 and 4 feet . The English Waldflöte is always of open wood 4 feet pipes full toned and powerful.