- kingdom in present-day NE England in the 6th century a.d., merged with Bernicia to form the kingdom of Northumbria.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for deira
On the invasion of William, as we have seen, it was in the possession of Edwin, sovereign of Deira.The Grand Old Man
Richard B. Cook
In the old Deira or modern Yorkshire was a separate Danish kingdom.A Student's History of England, v. 1 (of 3)
Samuel R. Gardiner.
Deira, however, seems to have retained its own individuality.Bell's Cathedrals: The Cathedral Church of Ripon
Cecil Walter Charles Hallett
They dealt with it as they had already done with Deira and East Anglia.A History of England
Redwald then placed Edwin upon the throne of Deira and Bernicia.Yorkshire Battles