Definition of barrel knot
:either of two knots used for tying fishing leaders together:
a
:a knot made by twisting the ends of two standing parts one around the other usually two or three times and then pushing the ends back through the center twist — called also
blood knot
b
:a knot made by tying double or triple overhand knots with each end around the opposite standing part — called also
double Englishman's knot, double fisherman's knot, grapevine knot
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