corn
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.
corn
Add:I. a grain Þǽre lenticula, syndon pysan, heó on hire múð sende þreóra corna gewyrde, Hml. S. 236, 716. Hwá gemenigfylt þæt gerip of feáwum cornum, Hml. Th. i. 184, 32. II. corn Beren gebered corn tipsana, Wrt. Voc. i. 20, 27. Heó sealde þǽm munucum corn genóg, Ors. 6, 4; S. 260, 11. v. bere-, lyb-, mold-, pipor-corn.
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A Combined List of Abbreviations.

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A Combined List of Abbreviations.