mercia

noun

1. an early English kingdom in central Britain.
2. a female given name.

noun

1. a kingdom and earldom of central and S England during the Anglo-Saxon period that reached its height under King Offa (757–96)

Anglo-Saxon kingdom of the Midlands, Latinized from Old English Mierce “men of the Marches,” from mearc (see march (n.2)). Related: Mercian.