weallan
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.
weallan
. I. AddMycel wynsumnesse stenc þǽr upp weóll of þǽre byrgene de sepulcro fragrantia suavitatis emanavit, Gr. D. 338, 18. II. I. AddBinnan Róme weóll án wille ele ealne dæg fons olei per totum diem fluxit, Ors. 5, 14 ; S. 248, 10. III. 2. AddÞá líc weóllon eall maðon and egeslíce stuncon, Hml. S. 4, 212. VI. add: — Hwá sceotað ðæt deófol mid weallendum strǽlum?, Sal. K. 148, l. VII a. of natural forces Man dráf út his módor bútan ǽlcre mildheortnesse ongeán þone weallendan winter, Chr. 1037; P. 160, 16.
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.