The Collaborative International Dictionary
Ardassine
Ardassine \Ar*das"sine\, n. [F. (cf. Sp. ardacina), fr. ardasse a kind of silk thread, fr. Ar. & Per. ardan a kind of raw silk.] A very fine sort of Persian silk.
Wiktionary
ardassine
n. (context archaic English) A kind of fine Persian silk.