The Celtic language of the ancient Britons; Common Brittonic.

(chiefly US) The British English language.

The residents or inhabitants of Great Britain.

The citizens or inhabitants of the United Kingdom.

(history) The ancient inhabitants of the southern part of Britain before the Anglo-Saxon invasion.

Of Britain.

Of the United Kingdom.

Of the Commonwealth of Nations, or the British Empire.

(historical) Of the ancient inhabitants of the southern part of Britain; Brythonic.

(historical) Of the British Isles.

Of British English.