Mercia[mʉr′s̸hə; -s̸hē ə, -sē ə]
Mercia definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
former Anglo-Saxon kingdom in central & S England
Mercia definition by American Heritage Dictionary
An Anglo-Saxon kingdom of central England. It was settled by Angles c. A.D. 500 and enjoyed its greatest influence during the rule (757-796) of Offa. In 874 the kingdom was overrun by the Danes and split between Wessex and the Danelaw.