Definition of "sarcenet"

No, vvhy art thou then exaſperate, thou idle, / immaterial ſkeine of ſleiue ſilke; thou greene ſacenet flap for a ſore eye, thou toſſell of a prodigalls purſe— […]

c. 1602 (date written), William Shakespeare, The Famous Historie of Troylus and Cresseid. […] (First Quarto), London: […] G[eorge] Eld for R[ichard] Bonian and H[enry] Walley, […], published 1609, [Act V, scene i], signature K, recto

There is one exception however in this case, and that is, when you are so fortunate a fellow, as to have had your jerkin made of a gum-taffeta, and the body-lining to it, of a sarcenet or thin persian.

1759–1767, [Laurence Sterne], The Life and Opinions of Tristram Shandy, Gentleman, volumes (please specify |volume=I to IX), London: […] T. Becket and P. A. Dehondt, […]