What does the word nautilus mean?

Usage examples for nautilus

  1. The Nautilus had been for weeks upon the station, and so far all her efforts had proved vain. – The Black Bar by George Manville Fenn
  2. We must get him on board the Nautilus at once. – The Black Bar by George Manville Fenn
  3. Can't you attach thirty of them to the Nautilus and sink us again? – All Around the Moon by Jules Verne