of or relating to the Angles or to the Anglian dialects of Old English
noun
2.
the group of Old and Middle English dialects spoken in the Midlands and the north of England, divided into Mercian and Northumbrian See also Kentish, West Saxon
"of the Angles," 1726; see Angle. The Old English word was Englisc, but as this came to be used in reference to the whole Germanic people of Britain, a new word was wanted to describe this one branch of them.