;adj. Battle-sharp, sharp in fight, applied to a sword; ad pugnam acutus :-- Cyning wælseaxe gebræd biter and beaduscearp the king drew his deadly knife bitter and battle-sharp, Beo. Th. 5401; B. 2704.
Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "beadu-scearp." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 7.