gordian knot an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia
half hitch a knot used to fasten a rope temporarily to an object; usually tied double
slipknot a knot at the end of a cord or rope that can slip along the cord or rope around which it is made
square knot a double knot made of two half hitches and used to join the ends of two cords
stopper knot a knot that prevents a rope from passing through a hole
surgeon's knot any of several knots used in tying stitches or ligatures
knot -
something twisted and tight and swollen; "their muscles stood out in knots"; "the old man's fists were two great gnarls"; "his stomach was in knots"
knot -
A looping of a piece of string or of any other long, flexible material that cannot be untangled without passing one or both ends of the material through its loops.
A knot is a method of fastening or securing linear material such as rope by tying or interweaving. It may consist of a length of one or several segments of rope, string, webbing, twine, strap, or even chain interwoven such that the line can bind to itself or to some other object—the "load". Knots have been the subject of interest for their ancient origins, their common uses, and the area of mathematics known as knot theory.
OmegaWiki Dictionary
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knot A loop of string or any other long flexible material which cannot be untied without pulling part of the string through the loops.
knot A unit of speed, equal to one nautical mile per hour.