Definition of "manchet"

You that can deal with Gudgins,[sic] and courſe floure, / 'Tis pitie you ſhould taſte what manchet means […]

1623 (first performance), John Fletcher, William Rowley, “The Maid in the Mill”, in Comedies and Tragedies […], London: […] Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, Act III, scene ii, page 12, column 1

And Enid brought sweet cakes to make them cheer, / And in her veil enfolded, manchet bread.

1859, Alfred Tennyson, “Enid”, in Idylls of the King, London: Edward Moxon & Co., […], page 21

As with modern breads, like the baguette, there is no one recipe for a manchet. Each of the few published English recipes from the 1500s and the 1600s is different, though each achieves a result that was accepted as a manchet […]

2011 October 15, William Rubel, Bread: A Global History, London: Reaktion Books, page 199