What does the word departure mean?

Usage examples for departure

  1. Before leaving the camp he spent an evening with Ferguson, who expressed keen regret at his departure. – Prescott of Saskatchewan by Harold Bindloss
  2. He was astonished at our sudden departure, that's why he was so strange when we returned. – The Celestial Omnibus and other Stories by E. M. Forster
  3. The two men stood waiting for the sign of departure from the Prince. – The Intriguers by William Le Queux