Looking for the meaning or definition of the word fid? Here's what it means.
Noun
(nautical) A pointed tool without any sharp edges, used in weaving or knotwork to tighten and form up weaves or complex knots; used in sailing ships to open the strands of a rope before splicing. Compare marlinespike.
(nautical) A square bar of wood or iron, with a shoulder at one end, to support the weight of the topmast (on a ship).