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reef knot

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

Origin of reef knot

First recorded in 1835–45
Also called flat knot.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for reef knot

Historical Examples

  • A squeeze of hands, with lingers entwined, tight as a reef-knot—then relaxed with reluctance—after which they separate.

    The Flag of Distress

    Mayne Reid

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

    The Sailor's Word-Book

    William Henry Smyth

  • In large vessels it is usual to pass a ligature round the vessel and tie it with a reef-knot.

  • "Never knew a reef-knot to slip like that before," exclaimed Billy, regarding the trailing traces.

    Billy Barcroft, R.N.A.S.

    Percy F. Westerman


British Dictionary definitions for reef knot

reef knot

noun
  1. a knot consisting of two overhand knots turned opposite waysAlso 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