brægen
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
brægen
AddBrægen cenellum, Wrt. Voc. ii. 22, 55: cervellum, i. centrum, 130, 31. Ǽrest þæs mannes brægen bið geworden on his móder innoþe. Þonne bid brægen útan mid reáman bewefen on þǽre syxtan wucan, Nar. 49, 24-26. Án stán hine slóh inn oð þæt brægen, Hml. Th. ii. 300, 24.
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A Combined List of Abbreviations.