Definition of "Safety" :

noun: (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely

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

noun: contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

noun: a device designed to prevent injury or accidents

noun: a safe place

"He ran to safety."

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

"Insure the safety of the children."