segl
This might be just a supplemental entry adding to an entry in the Main Volume.
Related §§ in Wright's OE Grammar:
§5,
In the OE text, the length is:indicated by acute accentsindicated by macronsnot indicated.
segl
I. AddÞæt scip wæs ealne weg yrnende under segle, Ors. 1, 1; S. 19, 34. Æfter siextegum daga þæs þe ðæt timber ácorfen wæs, þǽr wǽron xxx and c. gearora ge mid mæste ge mid segle, 4, 6; S. 172, 5. III. AddSegl larbanum, Wrt. Voc. ii. 70, 40. Segel labarum (Hpt. Gl. 456, 69 has segen), An. Ox. 2130.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.