A thing that slows the development of an illness.
A contraceptive, especially a condom.
Carried out to deter military aggression.
Slowing the development of an illness; prophylactic.
Preventing, hindering, or acting as an obstacle to.
To escort safely.
To implement safeguarding.
To protect, to keep safe.
A safe-conduct or passport, especially in time of war.
Something that serves as a guard or protection; a defense.
One who, or that which, defends or protects; defence; protection.