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reef knot

noun

, Nautical.
  1. a square knot used in reefing sails.


reef knot

noun

  1. a knot consisting of two overhand knots turned opposite ways Also calledsquare knot
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of reef knot1

First recorded in 1835–45
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Example Sentences

The true "Reef Knot" is merely the square knot with the bight of the left or right end used instead of the end itself.

C is a reef knot, used for knotting the reef points of sails or uniting the ends of ropes or cordage.

The third knot that must be acquired is what is called the square knot, or reef knot, and is used in reefing the sails.

This is a term of derision when a reef-knot is crossed the wrong way, so as to be insecure.

It is simply the reef knot with one of the ends (A) pushed through one of the loops.

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