sceacel
This might be just a supplemental entry adding to an entry in the Main Volume.
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
sceacel
II. add: an instrument for causing vibrations (v. sceacan; III.), an implement for striking the strings of a harp. [The passage to which belongs the gloss in Wrt. Voc. ii. 89, 10 is : Ut nullus sermonum plectra resolvat, sed fidibus citharae moduletur carmina Christo, Ald, 138, 7.]
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.