What is the meaning of Sheriff?

(High Sheriff) An official of a shire or county office, responsible for carrying out court orders, law enforcement and other duties.

A judge in the sheriff court, the court of a county or sheriffdom.

A government official, usually responsible for law enforcement in their county and for administration of the county jail, sometimes an officer of the court, usually elected.

To carry out the duties of a sheriff. (The addition of quotations indicative of this usage is being sought:)

sheriff

sheriff (all senses)

Source: wiktionary.org