to crown a knot

Crown \Crown\ (kroun), v. t. [imp. & p. p. {Crowned} (kround);
   p. pr. & vb. n. {Crowning}.] [OE. coronen, corunen, crunien,
   crounien, OF. coroner, F. couronner, fr. L. coronare, fr.
   corona a crown. See {Crown}, n.]
   1. To cover, decorate, or invest with a crown; hence, to
      invest with royal dignity and power.
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            Her who fairest does appear,
            Crown her queen of all the year.      --Dryden.
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            Crown him, and say, "Long live our emperor." --Shak.
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   2. To bestow something upon as a mark of honor, dignity, or
      recompense; to adorn; to dignify.
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            Thou . . . hast crowned him with glory and honor.
                                                  --Ps. viii. 5.
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   3. To form the topmost or finishing part of; to complete; to
      consummate; to perfect.
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            Amidst the grove that crowns yon tufted hill.
                                                  --Byron.
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            One day shall crown the alliance.     --Shak.
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            To crown the whole, came a proposition. --Motley.
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   4. (Mech.) To cause to round upward; to make anything higher
      at the middle than at the edges, as the face of a machine
      pulley.
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   5. (Mil.) To effect a lodgment upon, as upon the crest of the
      glacis, or the summit of the breach.
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   {To crown a knot} (Naut.), to lay the ends of the strands
      over and under each other.
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