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reef knot

noun, Nautical.
a square knot used in reefing sails.
Also called flat knot.
Origin of reef knot
First recorded in 1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for reef knot
Historical Examples
  • It must then be tied very firmly and secured with a reef knot.

  • Tie the point ends together with a bow knot, which is a reef knot with the loop caught in the tie.

    On Yacht Sailing Thomas Fleming Day
  • If the ends are not crossed correctly when making the reef knot, the false reef or granny is the result.

    Boy Scouts Handbook Boy Scouts of America
  • Square or reef knot—for joining two cords—very useful, is non-slipping.

    Educational Toys Louis C. Petersen
  • Square or reef knot, Fig. 22, commonly used for joining two ropes of the same size.

  • The reef knot can be upset by taking one end of the rope and its standing part and pulling them in opposite directions.

  • He felt vaguely that something special in the way of knots was required—a bowline—a reef knot or something—not a "granny," anyhow.

    The House by the River A. P. Herbert
  • It is simply the reef knot with one of the ends (A) pushed through one of the loops.

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

    Knots, Splices and Rope Work

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

British Dictionary definitions for reef knot

reef knot

a knot consisting of two overhand knots turned opposite ways Also called square 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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