square knot

Definitions of square knot
1

n a double knot made of two half hitches and used to join the ends of two cords

Types:
flat knot, reef knot
a square knot used in a reef line
granny, granny knot
a reef knot crossed the wrong way and therefore insecure
Type of:
knot
any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object

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