taf·fe·ta 
(t
ăf
ĭ-t
ə)
n. A crisp, smooth, plain-woven fabric with a slight sheen, made of various fibers, such as silk, rayon, or nylon, and used especially for women's garments.
adj. Made of or resembling this fabric.
[Middle English taffata, from Old French taffetas, from Old Italian taffetà, from Persian tāfta, silk or linen cloth, from past participle of tāftan, to twist, spin.]