What does the word curtain mean?

Usage examples for curtain

  1. Quickly, nervously, he drew back the curtain from the window.... – A Fool There Was by Porter Emerson Browne
  2. The place is so dark now the curtain is down, and he does not see the mistake he has made." – Blind Policy by George Manville Fenn
  3. Nancy drew aside the curtain and looked out. – The Honour of the Clintons by Archibald Marshall