fid Syllabification: (fid)Pronunciation: /fid/Definition of fid noun Nautical a thick peg, wedge, or supporting pin, in particular. a square wooden or iron bar that takes the weight of a topmast stepped to a lower mast by being passed through holes in both masts. a conical pin or spike used in splicing rope. Origin: early 17th century: of unknown originfid in other Oxford dictionaries Definition of fid in the British & World English dictionary
