reef knot

American  

noun

Nautical.

1. a square knot used in reefing sails.

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reef knot British  

noun

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

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Etymology

Origin of reef knot

First recorded in 1835–45

Example Sentences

See Examples For:

reef knot

At its end was a reef knot, twisted tightly.

From Time Magazine Archive

Though a slipped reef knot would be quicker, he thought again.

From "The Book of Dust: La Belle Sauvage" by Philip Pullman

In tying a suture the square or reef knot should be used.

From Special Report on Diseases of the Horse by Charles B. Michener

It must then be tied very firmly and secured with a reef knot.

From A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners by Joseph Bell

When a sufficient number of turns are passed, finish it off with a reef knot.

From Knots, Bends, Splices With tables of strengths of ropes, etc. and wire rigging by J. Netherclift Jutsum