noun
constable
KAHN-stuh-bul/ˈkɑːnstəbl/
An officer responsible for keeping the peace and enforcing the law.
The constable directs pedestrians around the obstruction.

Etymology
The “count of the stable” was a chief groom, whose title came to designate a chief household officer. Its later legal duties led to the modern sense of a police officer.
In context
The coroner's officer, a tall constable, standing near the door, saw that the foreman wished to speak, and shouted: Silence!