bucca
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
§7,
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
bucca
AddCervus vel eripes heort vel bucca (in the margin hircacervus bucheort); this is the proper reading, not that given in Wrt. Voc. i. 22, 63. v. Angl. viii. 450. Hí onsægdon deófle, swá heora þeáw wæs, buccan (caprae ) heáfod, Gr. D. 232, 25. Hé wæs on buccan slege getácnod, Hml. Th. ii. 210, 23. Ðár mon ðane chiorl slóh for ðan buccan, C.D. iii. 434, 21. Buccan wé offriað oððe ticcen, gif wé úres líchaman gálnysse oferswíðað, Hml. Th. ii. 210, 31. Fearra flǽsc oððe buccena blód, i. 590, 15. v. wæter-bucca.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.