Nor ‧ thum ‧ bri ‧ a /nɔːˈθʌmbriə $ nɔːr-/ BrE AmE
an ↑ Anglo-Saxon ↑ kingdom in the north of England and south of Scotland that was politically important from the 7th to the 9th centuries. This name is often used unofficially to mean Northumberland.
—Northumbrian noun , adjective