society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > [noun] > windlass > bar to keep chain clear (2)
norman1769
A bar or pin inserted into a hole in any of various pieces of equipment on board a ship, used to facilitate winding or to guide or secure a rope…
strongback1853
Nautical. Any of various strong beams or supports (see quots.).