wacol
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.
wacol
AddBeóð wacole vigilate, Hml. Th. i. 188, 31. Hí bǽdon þæt hé bude ðá byrgene besettan mid wacelum weardum, ii. 262, 8. Ús gedafenað wé mid wacelum eágum þás ðreó gemetu behealdon, 564, 8.
This is a supplementary entry with editorial changes to an entry in the main volume of the dictionary. Look under the 'Possibly connected entries' below, or for the same headword in the list to the left.

A Combined List of Abbreviations.

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A Combined List of Abbreviations.