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