belaying pin
noun
,
Nautical
1.
a short, round bar of metal or wood, inserted in a fife rail or pin rail, to which a rope is belayed.
Origin
1830-40
British Dictionary definitions for
belaying pin
belaying pin
noun
1.
(
nautical
) a cylindrical, sometimes tapered pin, usually of metal or wood, that fits into a hole in a pin or fife rail: used for belaying