Definitions of saving:

• noun:   an act of economizing; reduction in cost

  Example: "There was a saving of 50 cents"

• noun:   the activity of protecting something from loss or danger
• noun:   recovery or preservation from loss or danger

  Example: "A surgeon's job is the saving of lives"

• adjective:   characterized by thriftiness

  Example: "Wealthy by inheritance but saving by constitution- Ellen Glasgow"