Bombazine

from WordNet (r) 3.0 (2006)

bombazine
    n 1: a twilled fabric used for dresses; the warp is silk and the
         weft is worsted; "black bombazine is frequently used for
         mourning garments"

from The Collaborative International Dictionary of English v.0.48

Bombazine \Bom`ba*zine"\, n. [F. bombasin, LL. bombacinium,
   bambacinium, L. bombycinus silken, bombycinum a silk or
   cotton texture, fr. bombyx silk, silkworm, Gr. ?. Cf.
   {Bombast}, {Bombycinous}.]
   A twilled fabric for dresses, of which the warp is silk, and
   the weft worsted. Black bombazine has been much used for
   mourning garments. [Sometimes spelt {bombasin}, and
   {bombasine}.] --Tomlinson.
   [1913 Webster]