What does the word catastrophe mean?

Usage examples for catastrophe

  1. It was about two hours after this that the catastrophe happened. – Jess by H. Rider Haggard
  2. The catastrophe would have been just the same without them. – The Life and Works of Friedrich Schiller by Calvin Thomas
  3. Now, in the face of the catastrophe, she felt herself overwhelmed. – The Scarlet Feather by Houghton Townley