What does the word dais mean?

Usage examples for dais

  1. A dais has been put up at one end of it. – Six Plays by Florence Henrietta Darwin
  2. Indulge as he might in extravagance, there were always before him, as on a vastly extended dais set before the student, the glories of nature and of art, the great personalities and productions of the great artists. – A History of Nineteenth Century Literature (1780-1895) by George Saintsbury