This might be just a supplemental entry adding to an entry in the Main Volume.
mǽg-wine
.Add: The word occurs as a proper name :-- Méguini, Txts. 159, 186, 202 : 161, 293. Iuxta terminos id est bereueg et Méguines paeð, C. D. i. 50, 14. Méguuines paeð, 54, 30.
Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "mǽg-wine." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 627.
, es; m. A kinsman and friend :-- Mon mænig be his mǽgwine many a man standing by his kinsman (of the people at the tower of Babel), Cd. 80; Th. 100, 9; Gen. 1661. Mǽgwinas míne, Beo. Th. 4951; B. 2479. Mǽgwinum. Cd. 149; Th. 187, 4; Exod. 146: 158; Th. 197, 28; Exod. 314: Salm. Kmbl. 719; Sal. 359. [O. Sax. mág-wini.]