Fisherman's knot

Fisherman's knot
NamesFisherman's knot, Waterman's knot, Angler's knot, Englishman's knot
CategoryBend
OriginAncient
RelatedOverhand knot, Double fisherman's knot, Triple fisherman's knot
ReleasingJamming
Typical useJoining thin, stiff, or slippery lines
CaveatDifficult or impossible to untie
ABoK#293, #1414

The fisherman's knot is a bend (a knot for joining two lines) with a symmetrical structure. The fisherman's knot is also known as angler's knot, English knot, halibut knot, waterman's knot, and true lover's knot.