"a fair curve": when building a boat a " fair" line is one that is smooth as it can be as it follows the path it takes around the hull of a boat. A line that is fair is free of extraneous bumps or hollows.
Scaling boat design prints to full scale patterns through complex mathematics to assure accuracy of curves
Curved piece of wood forming a brace between the side and transom of a small wooden boat. On a Bevin's Skiff, these pieces are functional and decorative.