Dictionary of Old English

Defines the vocabulary of the first six centuries (600 - 1150 A.D.) of the English language, complementing the Middle English Dictionary (which covers the period 1100 - 1500 A.D.) and the Oxford English Dictionary (which documents the development of the English language to the present), the three together providing a full description of the vocabulary of English. Also see Dictionary of Old English Web Corpus which contains at least one copy of every surviving Old English text. 

John Jay access URL
John Jay