Batiste refers to a soft, semi-transparent or Sheer fabric with a fine plain weave that is used for shirts and dresses.
Batiste is a fiber of cotton, also rayon and wool which is named after Jean Batiste, a French linen weaver. Light weight, soft, semi-sheer fabric which resembles nainsook, but finer. It belongs to the lawn family; almost transparent. It is made of tightly twisted, combed yarns and mercerized finish. Sometimes it is printed or embroidered. In a heavier weight, it is used for foundation garments and linings in a plain, figured, striped, or flowered design. Considered similar to nainsook but finer and lighter in weight. Now usually made of 100\% polyester distinguished by slubs in filling direction.