Definitions of safety:

• noun:   a score in American football; a player is tackled behind his own goal line
• noun:   a safe place

  Example: "He ran to safety"

• noun:   the state of being certain that adverse effects will not be caused by some agent under defined conditions

  Example: "Insure the safety of the children"

• noun:   (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely
• noun:   a device designed to prevent injury
• noun:   contraceptive device consisting of a thin rubber or latex sheath worn over the penis during intercourse