noun
plural -tions
[noncount] :the state of being kept from harm, loss, etc. :the state of being protected
something that keeps a person or thing from being harmed, lost, etc. :something that protects someone or something [count]
[noncount] :a device (such as a condom) that is used during sex to prevent pregnancy or the spread of diseases
[noncount] :insurance against financial loss caused by fire, injury, damage, etc. - often + against
[noncount] :a situation in which people (such as store owners) pay money to criminals so that the criminals will not hurt them or damage their property