The Collaborative International Dictionary of English v.0.48:

Satinet \Sat`i*net"\, n. [F., fr. satin. See Satin.]
   1. A thin kind of satin.
      [1913 Webster]

   2. A kind of cloth made of cotton warp and woolen filling,
      used chiefly for trousers.
      [1913 Webster]

WordNet (r) 3.0 (2006):

satinet
    n 1: a fabric with a finish resembling satin but made partly or
         wholly from cotton or synthetic fiber [syn: satinet,
         satinette]