from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A square knot used in reefing sails.

from The Century Dictionary.

  • noun Same as square knot (which see, under knot).
  • To tie in a reef-knot, as a line.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A knot used to securely tie two pieces of rope together, or to reef sails

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a square knot used in a reef line


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