society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > [noun] > ring- or eye-bolt (3)
A bolt with an eye at one end, to which a ring is attached.
Nautical. An eyebolt having barbs or spikes on its shaft so that it cannot easily be withdrawn; a rag bolt (rag bolt, n.). More fully sprig bolt.
a flat metal plate with a projecting loop or ring, made all in one piece.