nett
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.
nett
I. AddGif hwylc deór byð on nette áwyrged si fera aliqua in rete strangulata sit, Ll. Th. ii. 214, 1. Fleótas (-es, MS. ) tó nette aestuaria, Wrt. Voc. i. 57, 9. Hwæþer gé nú settan eówer nett on dá héhstan dúne ðonne gé fiscian willað? ic wát ðeáh gé hit þǽr ne settað. Hwæþer gé nú eówer hundas and eówer nett út on ðá sǽ lǽdon ðonne gé huntian willaþ ? ic wéne þeáh gé hí ðonne settan úp on dúnum and innon wudum, Bt. 33, 3; F. 118, 11-15. v. feax-, fugol-, sǽ-, wíd(?)-nett.
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.

Abbreviation not recognized. See:

A Combined List of Abbreviations.