, an; f. Water-CRESS; nasturtium aquātĭcum :-- Eácersan getrifula oððe geseóþ on buteran bruise or seethe water-cress in butter, L. M. 1, 38; Lchdm. ii. 94, 4.
Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "eá-cerse." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 224.