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

The knot of the net is different from ours, for they invariably use what sailors call the reef knot, but they net with a needle like that we use. 

From A Popular Account of Dr. Livingstone's Expedition to the Zambesi and its tributaries And of the Discovery of Lakes Shirwa and Nyassa, 1858-1864 by Livingstone, David

With dry rope a reef knot is as strong as the rope; with wet rope it slips before the rope breaks, while a double sheet bend is found to hold.

From Manual of Military Training Second, Revised Edition by Moss, James A. (James Alfred)

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

From Manual of Military Training Second, Revised Edition by Moss, James A. (James Alfred)