Sentence:  We finish'd the Raft that Night, and in the Morning sent Mr. "Prat", our Chief Mate, and four Men in the Boat with a long Rope for a <WSD>Warp</WSD>, to fasten on the Land. 
Meaning of the word marked with <WSD> tags:  A line or cable or rode as is used in warping (mooring or hauling) a ship, and sometimes for other purposes such as deploying a seine or creating drag.