What does the word mummery mean?

Usage examples for mummery

  1. " A fine mummery" was the reply. – History of the French Revolution from 1789 to 1814 by F. A. M. Miguet
  2. In his treatment of Ayoub she had just witnessed the lengths of brutality of which he was capable, and she was not to know that this brutality had been a deliberate piece of mummery calculated to strike terror into her. – The Sea-Hawk by Raphael Sabatini