The story
* One of many knots invented by Clifford Warren Ashley who named this knot as it was similar to a knot used by oyster fishermen.
Etymology from Wiktionary, CC BY-SA 4.0.
oysterman's stopper
Today it means: A type of knot used to provide a symmetrical stop at the end of a rope to prevent it from pulling through an eyelet or other fixed opening. Full definition →