The condition of being safe; freedom from danger, risk, or injury.
A device designed to prevent accidents, as a lock on a firearm preventing accidental firing.
Football
A play in which a member of the offensive team downs the ball, willingly or unwillingly, behind his own goal line, resulting in two points for the defensive team.
One of two defensive backs; a safetyman.
The American Heritage® Dictionary of the English Language, Fourth Edition