chief constable

English Thesaurus

1. the head of the police force in a county (or similar area) (noun.person)

hypernym	:	captain, police captain, police chief,
definition	:	a policeman in charge of a precinct (noun.person)

domain region	:	britain, great britain, u.k., uk, united kingdom, united kingdom of great britain and northern ireland,
definition	:	a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom (noun.location)