(in Anglo-Saxon Britain) a region that stretched from the Humber to the Firth of Forth: formed in the 7th century ad, it became an important intellectual centre; a separate kingdom until 876 ad
2.
an area of NE England roughly corresponding to the Anglo-Saxon region of Northumbria
Northumbria in American English
(nɔrθˈʌmbriə)
former Anglo-Saxon kingdom in Great Britain, south of the Firth of Forth