Longman Dictionary of Contemporary English
Wiktionary
n. (context British English) The chief of police of most territorial UK police forces, except the Metropolitan Police and City of London Police.
Wikipedia
Chief constable is the rank used by the chief police officer of every territorial police force in the United Kingdom except for the City of London Police and the Metropolitan Police, as well as the chief officers of the three 'special' national police forces, the British Transport Police, Ministry of Defence Police, and Civil Nuclear Constabulary. The title is also held by the chief officers of the principal Crown Dependency police forces, the Isle of Man Constabulary, States of Guernsey Police Service, and States of Jersey Police. The title is also held, ex officio, by the president of the Association of Chief Police Officers under the Police Reform Act 2002. It was also the title of the chief officer of the Royal Parks Constabulary until this agency was disbanded in 2004.
Throughout the United Kingdom and Crown Dependencies there are currently 50 chief constables. These consist of the chief officers of 37 English territorial forces outside London, 4 Welsh territorial forces, the Police Service of Scotland, the Police Service of Northern Ireland, 3 special national forces, 3 Crown Dependency constabularies, and the President of ACPO, Sir Hugh Orde.
The chief officers of some police departments in Canada also hold the title of chief constable. The chief officer of the Sovereign Base Areas Police also holds the title of chief constable.
Usage examples of "chief constable".
Our Chief Constable reckons you're a fake and I had to fight him like mad to put you to the test, but if you can't do it .
Only not what you'd call begging - demand notes, the Chief Constable says.
I've been telling the Chief Constable that I don't know what constitutes a motive for murder, or what doesn't, but that was putting it a bit too high.
If the chief constable had walked in, she wouldn't have been able to stop.
Bernard had, it appeared, gone off in the Chief Constable's car, so I borrowed his for the test.
And then the police came here another damned pompous ass of a chief constable.
Dundridge arrived with the Chief Constable in time to pay his last respects.
Robert Anderson, assistant Metropolitan Police commissioner in charge of the Criminal Investigation Department (CID), and CID assistant chief constable Melville Leslie MacNaghten said that it was obviously the work of a sex maniac.