| 释义 | reef knot
 reef knotn. Nautical  See  square knot.[From its use in reefing sails.]
 reef knotn  (Knots) a knot consisting of two overhand knots turned opposite ways. Also called: square knotreef′ knot`n.   a square knot used for reefing sails. [1835–45]  Thesaurus
 Translations| Noun | 1. |  reef knot - a square knot used in a reef line flat knotgranny knot, granny - a reef knot crossed the wrong way and therefore insecuresquare knot - a double knot made of two half hitches and used to join the ends of two cords | 
 MedicalSeesquare knot
 reef knotRelated to reef knot: sheet bend, bowline knot, clove hitch, knots
 Synonyms for reef knotnoun a square knot used in a reef lineSynonymsRelated Wordsgranny knotgrannysquare knot
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