Noun
A small wooden pipe, having six or more holes, and a mouthpiece inserted at one end. It produces a shrill sound, softer than of the piccolo flute, and is said to have superseded the old recorder.
Source: Webster's dictionaryAlso the Vietnamese Đàn bầu functions on flageolet tones. Source: Internet
Notably, the diarist and naval administrator Samuel Pepys (1633–1703) and his wife were both amateur players of the flageolet, and Pepys was later an amateur recorder player. Source: Internet
Whistler's Pocket Companion By Dona Gilliam, Mizzy McCaskill The term flageolet is still preferred by some modern tin whistle who feel this better describes the instrument, as this characterises a wide variety of fipple flutes, including penny whistles. Source: Internet
This article will briefly discuss the duct flutes which have been presented as successors to the recorder: the English flageolet and the csakan, which were popular among amateurs in the second half of the 18th century, and the whole of the 19th. Source: Internet