Available Definitions:
1) n. - The condition or state of being safe; freedom from danger or hazard; exemption from hurt, injury, or loss.
2) n. - Freedom from whatever exposes one to danger or from liability to cause danger or harm; safeness; hence, the quality of making safe or secure, or of giving confidence, justifying trust, insuring against harm or loss, etc.
3) n. - Preservation from escape; close custody.
4) n. - Same as Safety touchdown, below.