broadcloth vs. poplin

noun

Textiles.
  1. a closely woven dress-goods fabric of cotton, rayon, silk, or a mixture of these fibers, having a soft, mercerized finish and resembling poplin.

  2. a woolen or worsted fabric constructed in a plain or twill weave, having a compact texture and lustrous finish.

  3. any fabric woven on a wide loom.

noun

  1. a finely corded fabric of cotton, rayon, silk, or wool, for dresses, draperies, etc.