society > travel > travel by water > vessel, ship, or boat > parts of vessels > body of vessel > bottom or part under water > [noun] > keel and kelson > keel > forward extremity > strap attaching
horseshoe1850
horseshoe clamp1875
1875 E. H. KnightPract. Dict. Mech.Horseshoe-clamp (Ship-building), an iron strap by which the gripe and fore-foot are attached.