Definitions for "Old English"
English prior to about 1100
The Germanic language spoken from the fifth century to about 1150 and written from about 700 to 1150 in England as a result of the Anglo-Saxon invasions beginning in the early fifth century. Old English is the language of the epic poem Beowulf and is difficult for modern readers to read with any fluency. Old English poetry had its own specialized vocabulary and poetic techniques, including kenning alliteration, and assonance.
English as it was spoken and written before and immediately after the Norman Conquest of Britain