This might be just a supplemental entry adding to an entry in the Main Volume.
ceáp-scip
.Add :-- Be ceápscypum. Ǽlc ceápscip frið hæbbe þe binnan múðan cuman, þéh hit unfriðscyp sý, gif hit undrifen bið, Ll. Th. i. 284, 19-21. [O. H. G. chouf-scef.]
Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "ceáp-scip." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 119.
, es; n. A merchant ship, trading ship; navis mercatoria :-- Hí wícingas wurdon, and æt ánum cyrre án c and eahtatig ceápscipa geféngon they became pirates, and took, at one time, one hundred and eighty trading ships, Ors. 3, 7; Bos. 61, 2.