1) Costume material 2) Cotton fabric for costumes 3) Kind of thin muslin 4) Stiff muslin 5) Transparent muslin 
thin sheer stiff cotton
• (n.) A kind of thin, transparent muslin, used for dresses.
Tar'la·tan noun A kind of thin, transparent muslin, used for dresses. 
Tarlatan was a thin and fine fabric of cotton or muslin, originating in India, and mostly used for making women's ball dresses around 1900. It was cheap, but did not withstand washing.