n.1. a. The act of protecting.
b. The condition of being protected.
2. One that protects: wore gloves as a protection against cold; saw darkness as their protection in trying to escape.
3. A pass guaranteeing safe-conduct to travelers.
4. Something that lowers the risk of pregnancy or infection, especially the use of a condom.
5. a. Payment collected by racketeers from businesses or illegal enterprises under threat of violence.
b. Payment made by racketeers to officials or law enforcement to avoid arrest or prosecution.