gen. Dera; pl. m. The Deirians, inhabitants of Deira between the rivers Tyne and Humber; Deīri :-- Andswarede him mon and cwæþ ðæt hí Dere nemde wǽron responsum est quod Deīri vocārentur, Bd. 2, 1; S. 501, 21, 22: Homl. Th. ii. 120, 34, 35. Mid ðysses cyninges geornesse ða twá mǽgþa Norþan Hymbra Dere and Beornice on áne sibbe geteáh hujus industria regis Deirōrum et Berniciōrum provinciæ in unam sunt pācem, Bd. 3; 6; S. 528, 30. He wæs vii winter Dera cyning he was king of the Deirians seven years, 3, 14; S. 539, 32. Man gehálgode ii biscopas on his stal, Bosan to Derum, and Eatan to Beornicum two bishops were consecrated in his stead, Bosa to Deira [lit. to the Deirians], and Eata to Bernicia, Chr. 678; Erl. 41, 7.