What does the word disc mean?

Usage examples for disc

  1. One little figure, with a very protruding stomach, and a very large white metal disc on her dark chest for her only article of attire, suddenly appeared in front of them. – There was a King in Egypt by Norma Lorimer
  2. Wind up the gramophone, Messiou, and give us the disc over again; I want to see the half- dressed nymphs. – General Bramble by André Maurois
  3. He broke off at the buzz of a disc that hung from his belt by a golden chain. – Tarrano the Conqueror by Raymond King Cummings