Green’s Dictionary of Slang

1. a woman’s tongue, esp. as the seducer of foolish men.

1608		Dekker Honest Whore Pt 2 (1630) I ii: I loue no Maremaides, Ile not be caught with a quaill pipe.
c.1698		B.E. Dict. Canting Crew n.p.: Quail-pipe a Woman’s tongue.
1721		Penkethman’s Jests I 51: A termagant Seamstress coming to dun a young Fellow at his Lodgings [...] began to open her Quail Pipes at a great rate.
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
c.1750–1882		B.M. Carew Life and Adventures.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1809		G. Andrewes Dict. Sl. and Cant.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1835		G. Kent Modern Flash Dict.
1848		Flash Dict. in Sinks of London Laid Open.
1858		A. Mayhew Paved with Gold 265: I only did it that I might hear the squeak of your quail pipe, my jolly hen.
1895		C. Crowe Aus. Sl. Dict. 63: Quail-pipe, a woman’s tongue.

2. the throat.

1693		Dryden Juvenal VI 93: The Poor [...] Will pinch, to make the Singing-Boy a Treat. The Rich to buy him, will refuse no price: And stretch his Quail-pipe till they crack his Voice.
1700		T. Brown Amusements Serious and Comical in Works (1744) III 18: [...] chanting forth such deep strains, as made it appear to the female audience, that tho’ he had not a chamber-voice, his quail-pipe shewed him excellently well qualified for chamber-practice.
1714		Pope Wife of Bath 213: To clear my Quail-pipe, and refresh my Soul, Full oft I drain’d the Spicy Nut-brown Bowl.