What does the word past mean?

Usage examples for past

  1. At half- past two our chance came. – The New North by Agnes Deans Cameron
  2. Well, what has happened is past. – Bagh O Bahar, Or Tales of the Four Darweshes by Mir Amman of Dihli
  3. We may say that he had known for some minutes past. – Ralph the Heir by Anthony Trollope