what is fid
fid. n. Nautical. 1. A square bar used as a support for a topmast.id. A wooden pin, usually only a few inches long, tapered to a point and used to separate the strands of small rope. A marlinespike is generally much heavier, often of metal, and used on steel cable and larger rope.
Fid. A wooden pin, usually only a few inches long, tapered to a point and used to separate the strands of small rope. A marlinespike is generally much heavier, often of metal, and used on steel cable and larger rope.id. A wooden pin, usually only a few inches long, tapered to a point and used to separate the strands of small rope. A marlinespike is generally much heavier, often of metal, and used on steel cable and larger rope.