Constabulary (noun)

1. A body of police officers organized for maintaining public order and enforcing the law.
2. A police force of a particular district or region.

Origin:

From the latin constabularius meaning "constable" + -ary meaning "pertaining to".

Examples:

1. The local constabulary has been known for its efficient handling of crime in the area.
2. He joined the constabulary after serving in the military.
3. The constabulary was called in to deal with the rioting.
4. The constabulary was given new equipment to fight crime.
5. The constabulary is responsible for the enforcement of traffic laws.